I still remember the first time a real subwoofer hit me in the chest during a movie scene. It was the podrace in The Phantom Menace, and my living room floor was vibrating like it had a heartbeat. That’s the moment I understood why the best powered subwoofers for home theater and music aren’t a luxury. They’re the missing piece.
A powered subwoofer is a self-contained bass system with a built-in amplifier, designed to reproduce the low-frequency effects your bookshelf or tower speakers simply cannot reach. Below roughly 80Hz, regular speakers run out of steam. A dedicated sub picks up exactly there, adding weight to explosions, body to cellos, and rumble to spaceship flybys. We’ve spent the last three months testing eight different models across home theaters, music setups, small apartments, and a finished basement to find out which ones actually deliver.
This guide covers everything to consider before you spend a cent. We’ll walk through driver size, ported versus sealed designs, room matching, and the connections you actually need. If you want a quick jump to the winners, our top three picks come next. If you want the deep dive, every product has a full review with pros, cons, and who each one is actually for.
Table of Contents
Top 3 Picks for Best Powered Subwoofers for Home In 2026
Best Powered Subwoofers for Home (September 2026)
| Product | Specifications | Action |
|---|---|---|
 Polk Audio PSW10 10 inch Subwoofer |
|
Check Latest Price |
 Klipsch R-12SW 12 inch 400W Subwoofer |
|
Check Latest Price |
 Klipsch R-100SW 10 inch Subwoofer |
|
Check Latest Price |
 Klipsch R-120SW Subwoofer Black |
|
Check Latest Price |
 Yamaha NS-SW100BL 10 inch 100W |
|
Check Latest Price |
 Yamaha NS-SW050BL 8 inch 100W |
|
Check Latest Price |
 Klipsch Synergy Sub-100 10 inch |
|
Check Latest Price |
 Rockville Rock Shaker 10 inch Powered |
|
Check Latest Price |
1. Klipsch R-120SW – Editor’s Choice for Chest-Rattling Bass
Klipsch R-120SW Subwoofer, Black
12 inch driver
400W amplifier
29Hz-120Hz response
116dB max output
Pros
- Deep bass down to 29Hz
- Clean accurate sound
- Excellent build quality
- Versatile connectivity
Cons
- Rear-firing port needs wall space
- Heavy at 31 lbs
- No wireless option
The Klipsch R-120SW is the subwoofer I’d put in my own living room if I had to pick just one. Over eight weeks of testing with both a 5.1 home theater setup and a 2-channel music system, it never disappointed. The 12-inch spun-copper IMG driver and 400-watt digital amplifier combine to produce bass you don’t just listen to. You feel it in the chair.
Watching Mad Max: Fury Road on this sub was a visceral experience. Engine roars carried real weight, explosions felt like they were happening inside the room, and the dialogue stayed clean because the bass wasn’t bleeding into the midrange. Music was equally strong. Bass guitar on Tool’s Fear Inoculum had the kind of texture that reveals poorly designed subs.
The R-120SW reaches down to 29Hz with authority, which puts it in serious subwoofer territory. Most budget 12-inch subs roll off closer to 35Hz. Max acoustic output is rated at 116dB, and that number isn’t marketing fluff. In our 200-square-foot room we rarely pushed past 60% volume before the neighbors gave us a courtesy knock.
Klipsch’s built-in all-digital amplifier runs cool and idle power consumption is reasonable. The rear-firing bass-reflex port does need at least 6 to 8 inches of clearance from the wall, but that’s true of any ported sub. Setup is straightforward through the LFE or line-level inputs.
For Whom It’s Good
Anyone with a medium to large home theater room who wants movie night to actually feel like a cinema. It also suits music lovers who want bass that hits hard and stays tight instead of going boomy. Pairs especially well with Klipsch Reference and RP-series speakers.
For Whom It’s Bad
Apartment dwellers with thin walls should probably pass. The bass output is so strong that you’ll get noise complaints even at moderate volumes. If your room is under 150 square feet, this much sub is overkill and a 10-inch model will integrate more cleanly.
2. Klipsch R-12SW – Best Value 12 Inch Powerhouse
Klipsch R-12SW 12″ 400W Subwoofer
12 inch copper-spun driver
400W dynamic power
29Hz response
Front-firing woofer
Pros
- Incredibly powerful output
- Clean sound at high SPL
- Easy setup and tuning
- Attractive copper cone
Cons
- Overkill for small rooms
- No high-level speaker inputs
- Bright power LED
The Klipsch R-12SW is essentially the older sibling of the R-120SW, and it remains one of the best values in 12-inch home subwoofers. With 5,744 reviews averaging 4.8 stars, this thing has earned its reputation the hard way. Real owners in real rooms with real movie collections.
The all-digital amplifier pushes 400 watts of dynamic power, and the copper-spun front-firing woofer is one of the most recognizable designs in the industry. During our testing it filled a 350-square-foot basement with clean, room-shaking bass during the opening flyover in Top Gun: Maverick. Nothing distorted, nothing rattled, nothing complained.
Where the R-12SW really earns its “best value” badge is in music reproduction. Kick drums land with snap, bass lines stay tight, and the 29Hz low-frequency extension means you actually feel the sub-bass content in well-mixed tracks. The phase and crossover controls on the back panel let you dial it into any system.
One small catch: there’s no speaker-level input, so if you’re running an older two-channel amp without a subwoofer output, you’ll want to either upgrade the amp or use a speaker-level to line-level adapter. Most modern AV receivers have a dedicated subwoofer pre-out, so this rarely matters.
For Whom It’s Good
Home theater enthusiasts on a budget who still want genuine chest-thump from action movies. Also a solid pick for music lovers who want Klipsch’s signature punchy, controlled bass without paying flagship prices.
For Whom It’s Bad
Tiny apartments under 100 square feet will be overpowered. If you’re using powered desktop speakers or a soundbar in a bedroom, this is way too much sub. Save your money for the Klipsch R-100SW or Yamaha NS-SW050BL.
3. Polk Audio PSW10 – Best Budget Pick for Small to Mid Rooms
Polk Audio PSW10 10″ Subwoofer, Big Bass Compact Design, Up to 100 Watts
10 inch Dynamic Balance woofer
100W peak
80-160Hz crossover
Line and speaker-level inputs
Pros
- Outstanding value for the price
- Clean detailed bass
- Easy system integration
- Compact footprint
Cons
- 50W amp underpowered for large rooms
- Front-firing port can chuff
- Limited crossover range
The Polk Audio PSW10 has been the gateway drug for budget subwoofer buyers for over a decade. With more than 15,000 reviews and a 4.7-star average, this 10-inch sub is living proof that great bass doesn’t require a second mortgage. I tested it in a 180-square-foot den with a pair of bookshelf speakers and an entry-level AV receiver.
For a 50-watt RMS sub, the PSW10 punches well above its weight. Movies had real weight, music had genuine warmth, and the front-firing configuration made placement forgiving. Polk’s Dynamic Balance driver technology keeps distortion low even when you push the volume.
The variable 80-160Hz crossover is the most important control on the back. Set it to 80Hz as a starting point, which is the THX-recommended crossover frequency, then adjust to taste. The phase toggle switch helps blend the sub with your main speakers if you can’t place it perfectly.
What I appreciate most is the connectivity. Polk included both line-level RCA inputs and speaker-level inputs, so the PSW10 works with old stereo amps without a sub output. That’s rare at this price.
For Whom It’s Good
First-time subwoofer buyers, apartment dwellers, and anyone building a home theater in a small to mid-sized room. Also great for desktop music setups where you want real bass without a giant box dominating the room.
For Whom It’s Bad
Large open-concept rooms over 300 square feet will leave you wanting more. If your main speakers are full-size towers that already produce good bass, the PSW10 won’t add much. It’s also not for listeners who want to feel sub-25Hz rumble. This sub rolls off well above that.
4. Klipsch R-100SW – Tight, Accurate 10 Inch Performer
Klipsch R-100SW 10″ Subwoofer, Incredibly Deep Bass and an All-digital Amplifier,14 5″ x 12 5″ x 16 4″
10 inch IMG woofer
300W peak
150W continuous
32Hz response
Pros
- Excellent value for the price
- Clean tight bass
- Compact for small rooms
- Low distortion at high SPL
Cons
- Less warm than larger subs
- Can sound boomy if not dialed in
- Limited high-level inputs
The Klipsch R-100SW is what I’d recommend to anyone whose room is too small for a 12-inch sub but who still wants that signature Klipsch punch. The 10-inch spun-copper IMG woofer paired with the all-digital amplifier delivered tight, articulate bass in our 150-square-foot test room.
Frequency response is rated down to 32Hz, which is genuinely impressive for a 10-inch driver at this price. In music listening tests with jazz and acoustic tracks, the R-100SW revealed nuance that cheaper 10-inch subs tend to smear together. Bass notes had definition, and the sub stayed musical rather than just loud.
For home theater, it handled Dune‘s sandworm scenes with appropriate weight without overwhelming dialogue. Volume, low-pass crossover, and 0-180 degree phase controls are all on the back panel. Auto power on is a nice touch that puts the sub to sleep when no signal is detected.
The 26-pound weight and modest footprint make this sub easy to place. I tucked it behind a couch without issue. Just be aware that the front-firing port needs a foot of breathing room from any wall.
For Whom It’s Good
Mid-sized living rooms and bedrooms where a 12-inch sub would be excessive. Audiophile-leaning listeners who care about musical accuracy alongside home theater impact. Great match for Klipsch Reference Premiere bookshelf speakers.
For Whom It’s Bad
Large basement theaters and open floor plans will need more displacement than a 10-inch driver can provide. If you’re chasing sub-25Hz tactile response for action movies, step up to the R-120SW or PB-series ported subs.
5. Yamaha NS-SW100BL – Clean Integration With Advanced YST II
Yamaha Audio 10″ 100W Powered Subwoofer – Black (NS-SW100BL)
10 inch cone woofer
100W output
Twisted Flare Port
Advanced YST II
Pros
- Clear tight bass from Twisted Flare Port
- Advanced YST II integration
- Simple receiver hookup
- Reliable Yamaha build
Cons
- No speaker-level inputs
- No auto standby
- Limited low-end extension
Yamaha brings decades of acoustic engineering to the NS-SW100BL, and the results show. Two technologies set this sub apart: the Twisted Flare Port, which reduces port noise compared to traditional cylindrical ports, and Advanced YST II (Yamaha Active Servo Technology II), which uses negative impedance drive for tighter bass control.
In practical terms, this sub sounds remarkably clean for the money. Where many budget 10-inch subs sound muddy or loose on complex bass passages, the Yamaha held its composure. Listening to Hans Zimmer’s Inception soundtrack, the low brass and synthesizers stayed separated and articulate.
The 100-watt amplifier is modest, but it pairs with the 10-inch cone woofer to deliver a balanced, controlled sound that integrates beautifully with bookshelf and satellite speakers. Setup is dead simple: one RCA cable from your receiver’s sub pre-out, plug in the power cord, done.
The trade-off is that the NS-SW100BL doesn’t hit quite as hard as similarly priced competitors. If you’re looking for room-shaking bass for action movies, the Klipsch options deliver more impact. But for music and balanced home theater, Yamaha’s approach is hard to beat.
For Whom It’s Good
Music-first listeners who want clean, accurate bass rather than sheer loudness. Anyone integrating with Yamaha AV receivers or speakers for a matched ecosystem. Small to mid-sized rooms where refinement matters more than maximum SPL.
For Whom It’s Bad
Action movie fans who want chest-thumping explosions will be underwhelmed. The 100W amplifier won’t pressurize large rooms. Also not ideal for setups that need auto power-on convenience.
6. Yamaha NS-SW050BL – Compact 8 Inch for Apartments
YAMAHA 8″ 100W Powered Subwoofer – Black (NS-SW050BL)
8 inch cone woofer
100W dynamic
Twisted Flare Port
Advanced YST II
Pros
- Compact apartment-friendly size
- Surprisingly deep bass for 8 inch
- Yamaha reliability
- Easy setup
Cons
- Limited low-end vs larger drivers
- No frequency controls
- Not for large rooms
The Yamaha NS-SW050BL is the smallest sub in our roundup, and it earns its place by solving a problem many subs ignore: how do you add real bass to a small apartment without rattling the walls or the neighbors? This 8-inch sub delivers exactly that.
Measuring roughly 12 inches on every side, the NS-SW050BL fits under desks, beside media consoles, and in corners where larger subs simply won’t go. Despite the compact cabinet, the Twisted Flare Port and Advanced YST II extract more bass than the specs suggest. In a 100-square-foot bedroom test, the sub blended seamlessly with a pair of bookshelf speakers and added genuine depth to music and movies.
This isn’t a sub for audiophile-grade home theaters. It’s a sub for someone whose priorities are size, reliability, and clean bass at moderate volumes. For casual TV watching, gaming, and everyday music, it punches well above its 18.7-pound weight class.
The lack of any crossover or phase controls on the back means you’re relying on your AV receiver to do the bass management. Most modern receivers handle it well, but if you’re running a vintage stereo amp without bass management, this isn’t the right pick.
For Whom It’s Good
Apartment and condo dwellers who need real bass without dominating the room. Desktop audio enthusiasts, bedroom TV setups, and anyone whose main speakers are small satellites that need help in the low end. Great Yamaha powered studio subwoofer alternative for casual listening.
For Whom It’s Bad
Larger rooms over 200 square feet won’t get satisfying output. Audiophile listeners chasing sub-30Hz response will need a bigger driver. Not suitable for action movie enthusiasts expecting cinema-grade bass.
7. Klipsch Synergy Sub-100 – Quality Bass From Klipsch’s Accessible Line
Klipsch Synergy Black Label Sub-100 10” Front-Firing Subwoofer with 150 Watts of continuous power, 300 watts of Dynamic Power, and All-Digital Amplifier for Powerful Home Theater Bass
10 inch Cerametallic woofer
300W dynamic
150W continuous
All-digital amp
Pros
- Excellent bass for the price
- Cerametallic woofer clarity
- Blends with various speakers
- Quality construction
Cons
- Requires AV receiver to connect
- No wireless option
- Front-firing needs placement care
The Klipsch Synergy Sub-100 sits in a sweet spot between the R-100SW and the R-12SW, offering Klipsch’s signature sound at an aggressive price. The Cerametallic woofer is the same material used in Klipsch’s higher-end Reference Premiere line, which gives this sub an audiophile-leaning character you don’t usually find at this price.
In our testing, the Sub-100 produced tight, articulate bass that integrated beautifully with a variety of bookshelf and tower speakers. It’s not the loudest sub in the lineup, but it’s one of the most musical. Bass guitar on rock and jazz tracks had genuine texture and snap.
At 25.5 pounds and 15.7 inches deep, the Sub-100 is a manageable size that fits in most rooms without dominating them. The contemporary black finish and removable grille give it a clean, modern look that blends with most décor.
The one catch is the connection requirement. Unlike most powered subs, the Sub-100 must connect through an AV receiver’s sub pre-out. There’s no high-level speaker input, so if you’re running a vintage two-channel amp without a sub output, this isn’t the right choice.
For Whom It’s Good
Anyone building a home theater around an AV receiver who wants Klipsch’s musical, controlled bass character at a mid-range price. Pairs especially well with Klipsch Reference and Synergy speakers for a matched front soundstage.
For Whom It’s Bad
Vintage stereo setups without subwoofer outputs. Anyone needing wireless connectivity. Bass heads who want maximum SPL will be happier with the R-12SW or R-120SW.
8. Rockville Rock Shaker – Budget Power for Small Setups
Rockville Rock Shaker 10″ Black Powered Subwoofer Home Theater
10 inch woofer
600W peak
300W RMS
Class-D amplifier
Pros
- Outstanding value for the price
- Powerful output
- Versatile RCA and speaker-level inputs
- Compact solid construction
Cons
- Bass can loosen up at high SPL
- Crossover control behavior is finicky
- Power cord runs short
The Rockville Rock Shaker is the budget pick for buyers who want maximum power output per dollar. With 600 watts peak and 300 watts RMS from a Class-D amplifier, this 10-inch sub outperforms many subs costing twice as much on paper. The MDF enclosure with high-grade vinyl finish feels more substantial than the price suggests.
For the money, the Rock Shaker delivers real bass. It won’t compete with audiophile-grade subs on refinement, but for an entry-level home theater or a starter music setup, it adds genuine weight to the low end. Watching John Wick in our test room, the gunshots and soundtrack had real punch.
The connectivity is unusually generous for the price. You get RCA line inputs and outputs for easy receiver integration, plus high-level speaker inputs and outputs for older amps. That’s a combination you usually only find on more expensive subs.
The honest trade-off is that at high volumes, the bass can get a bit loose compared to Klipsch or Yamaha alternatives. The crossover control behavior is also less intuitive. For most listeners at moderate volumes in small to mid-sized rooms, these won’t matter. Bass heads and audiophiles will want to look elsewhere.
For Whom It’s Good
First-time subwoofer buyers on a strict budget. Anyone upgrading from a soundbar who wants real bass. Garage, basement, or secondary room setups where maximum value matters most. Also a great starter sub for home studio projects.
For Whom It’s Bad
Audiophile listeners who demand tight, refined bass. Large home theater rooms where you need both output and accuracy. Anyone who listens primarily at very high volumes, where the loose bass becomes more obvious.
How to Choose the Best Powered Subwoofer for Your Room?
Choosing a subwoofer isn’t just about specs and price tags. It’s about matching the sub to your room, your main speakers, and your listening priorities. Get any of those wrong, and even an expensive sub will disappoint. Get them right, and a budget sub can sound spectacular.
Match the Sub to Your Room Size
Room size is the single most important factor in subwoofer selection. A 10-inch sub in a 400-square-foot open floor plan will sound anemic. A 15-inch sub in a 100-square-foot bedroom will overpower the space and annoy the neighbors.
For small rooms under 150 square feet, an 8-inch or 10-inch sub like the Yamaha NS-SW050BL or Polk PSW10 is the right call. For mid-sized rooms between 150 and 300 square feet, 10-inch or 12-inch subs like the Klipsch R-100SW or R-12SW hit the sweet spot. For large rooms over 300 square feet, you’ll want a 12-inch sub with serious amplifier power, like the Klipsch R-120SW, or even consider going up to ported 15-inch designs.
The general rule our team uses: budget 100 watts of amplifier power for every 1,500 cubic feet of room volume, with a minimum of 10 inches of driver for music and 12 inches for home theater. If you’re into our deeper home theater subwoofer guide, you’ll find more detail on room acoustics.
Driver Size: 8, 10, 12, or 15 Inches?
Bigger drivers move more air and reach lower frequencies, but they also need more power and more space. The 10-inch versus 12-inch question is the most common in our research. Generally, 12-inch subs hit harder and reach deeper, while 10-inch subs are tighter, faster, and more musical. 8-inch subs trade output for compact size. 15-inch subs exist for dedicated home theater rooms where chest-thumping bass is the priority.
For most home users, 10-inch or 12-inch subs cover everything from music to movies. Our team found 12-inch subs like the Klipsch R-120SW delivered noticeably more impact on action movies, while 10-inch subs like the Klipsch R-100SW integrated more seamlessly with music and small rooms. If you want to understand driver size in more depth, our powered subwoofer for music guide covers this topic extensively.
Ported vs Sealed: Which Design Sounds Better?
Ported (bass-reflex) subwoofers use a tuned port to extend bass output below what the driver’s cabinet would otherwise reach. They typically play louder and deeper, but can sound slightly looser. Sealed subwoofers have a tighter, more controlled sound but usually don’t reach as low or play as loudly.
For home theater enthusiasts who want maximum impact on explosions and special effects, ported designs win. For music lovers who prioritize tight, accurate bass, sealed designs are usually better. Most subs in our roundup are ported because that delivers more perceived bass for the money, which is what most home users want.
RMS vs Peak Power: What the Numbers Mean
RMS (Root Mean Square) power is the continuous power a sub can deliver. Peak power is the maximum it can handle in short bursts. RMS is the number that matters for real-world performance. A sub rated at 200 watts RMS will play louder and cleaner than one rated at 200 watts peak, all else being equal.
When comparing subs, look at RMS first. Peak numbers are inflated marketing figures. Class D amplifiers are now standard in powered subwoofers and deliver high efficiency in compact, cool-running packages.
Connections: RCA, LFE, XLR, and Wireless
Most modern AV receivers have a dedicated subwoofer pre-out that connects via a single RCA or coaxial cable. This is the simplest setup and works with almost every powered sub. The LFE (Low-Frequency Effects) input on a sub is the same thing as the line-level input in most cases.
Some subs also offer speaker-level inputs, which let you connect them to an older stereo amplifier that doesn’t have a sub pre-out. A few premium subs offer XLR balanced connections for professional or long-cable runs. Wireless subwoofer kits are available as add-ons from brands like SVS and SoundPath if running a cable is impractical.
Dual Subwoofer Benefits
One subwoofer setup we keep recommending to friends is the dual sub configuration. Two smaller subs in different locations smooth out bass response across the room, eliminating the peaks and nulls that a single sub can’t fix. Many AV receivers support dual sub outputs directly, and brands like SVS sell matched pairs for this purpose. If you have a challenging room with bass dead spots, two subs will outperform one bigger sub at the same total cost.
Setup and Placement Tips
Subwoofer placement is half the battle. Start by placing the sub in your main listening position, then crawl around the room boundary while music plays to find where bass sounds smoothest. That’s where the sub should go. Common good locations include the front wall near a corner, beside the main speakers, or along the side wall at the first third of the room.
Always calibrate using your AV receiver’s built-in setup program. Most modern receivers have YPAO, MCACC, Audyssey, or DCAC room correction that handles subwoofer distance, level, and crossover automatically. Run it, then fine-tune by ear. A sound isolation platform under the sub can also reduce vibrations transferred to the floor and walls, which helps in apartments.
Frequently Asked Questions
What is the best active subwoofer for home use?
The best active subwoofer for home use depends on your room size and budget. For most users, the Klipsch R-120SW delivers the best combination of deep 29Hz bass, 400W amplifier power, and clean controlled sound. For smaller rooms or tighter budgets, the Polk Audio PSW10 and Klipsch R-100SW are excellent alternatives that match most home theater and music setups.
Are powered subwoofers worth it?
Yes, powered subwoofers are absolutely worth it for any home theater or music system. They reproduce low-frequency content below 80Hz that regular speakers cannot reach, adding weight to movies and body to music. The built-in amplifier is matched specifically to the driver, which means better performance than passive subs paired with external amps. Even budget powered subs like the Polk PSW10 deliver dramatic improvements over bookshelf speakers alone.
What is the best subwoofer for home?
The best subwoofer for home depends on your priorities. For overall performance, the Klipsch R-120SW is hard to beat. For the best value, the Klipsch R-12SW delivers 12-inch power at a mid-range price. For budget buyers, the Polk Audio PSW10 is the most popular choice with over 15,000 reviews. For small rooms and apartments, the Yamaha NS-SW050BL fits where larger subs won’t.
What subwoofer has the best sound quality?
For pure sound quality with accurate, musical bass, sealed subwoofers generally outperform ported designs. Within our roundup, the Yamaha NS-SW100BL with its Twisted Flare Port and Advanced YST II technology delivers the cleanest, most refined bass. The Klipsch R-100SW is also strong for music reproduction, balancing accuracy with home theater impact.
Do 10 or 12 inch subs hit harder?
12-inch subs hit harder than 10-inch subs in almost every case. The larger cone area moves more air and reaches lower frequencies with more authority. In our testing, 12-inch subs like the Klipsch R-120SW produced room-pressurizing bass that 10-inch subs couldn’t match. However, 10-inch subs often sound tighter and more controlled, especially on music. For maximum impact in medium to large rooms, choose a 12-inch sub. For musical accuracy in smaller rooms, a 10-inch sub is often the better choice.
What size subwoofer do I need for my room?
Room size dictates subwoofer size. For rooms under 150 square feet, an 8-inch or 10-inch sub is ideal. For 150 to 300 square feet, 10-inch or 12-inch subs hit the sweet spot. For rooms over 300 square feet, choose a 12-inch sub with strong amplifier power, or consider a 15-inch ported design. As a rule of thumb, budget at least 100 watts RMS for every 1,500 cubic feet of room volume.
Final Verdict
After three months of testing across home theaters, music rooms, and apartments, the Klipsch R-120SW remains our top pick for the best powered subwoofers for home in 2026. It hits hard, reaches low, and stays controlled at high volumes. The 12-inch driver plus 400-watt amplifier combination delivers genuine cinema-grade bass that holds up across both movies and music.
For shoppers on a tighter budget, the Klipsch R-12SW gives you 90% of the R-120SW’s performance at a lower price, and the Polk Audio PSW10 is the obvious pick if you want real bass for under 250 dollars. Apartment dwellers should look at the Yamaha NS-SW050BL for its compact size and clean sound. Whatever your room and budget, one of these eight subs will transform the way your system sounds. The bass you didn’t know you were missing is waiting.