OSD Audio IWS8 In-Wall Subwoofer 8 Inch
- Subwoofer Diameter: 8 inches
- Audio Driver Size: 8 inches
- Woofer Diameter: 8 inches
- Speaker Size: 8 inches
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An 8 inch, 150 watt subwoofer built to disappear flush into a wall rather than take up floor space as a standalone cabinet.
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ASIN: B008MWLPCKModel: IWS8Category: Subwoofers
Overview
The OSD Audio IWS8 is an in-wall subwoofer rated at 150 watts with an 8 inch driver and an aux input, built for flush mounting into a wall rather than sitting on the floor. Dimensions run 11.5 x 12 x 6 inches.
Being an in-wall design, it trades floor space for a cutout in drywall, which suits home theater rooms where a visible subwoofer cabinet isn't wanted. The aux connectivity listed points to a wired hookup to a receiver's line output rather than a wireless link. Installation needs enough wall depth to fit the 6 inch dimension plus any backbox.
- In-wall subwoofer mount
- 8 inch driver
- 150 watt power rating
- Aux connectivity
Who it's for
Aimed at people finishing a home theater or media room who want bass without a floor-standing enclosure. Not for renters or anyone unwilling to cut into a wall for mounting.
Pros and cons
- In-wall mount frees up floor space
- 8 inch driver at 150 watts
- Aux input pairs with standard receivers
- Requires a wall cutout, not a drop-in solution
- Wired aux only, no wireless option listed
Performance notes
The 8 inch driver and 150 watt rating place it as a mid-size subwoofer for room-filling bass rather than a reference-level unit, and the aux connection means it pairs with a receiver's line-level output rather than running wirelessly.
Specifications
| Brand | OSD Audio |
|---|---|
| Model | IWS8 |
| Dimensions & fit | |
| Subwoofer Diameter | 8 incheslower than 70% of 28 subwoofers |
| Audio Driver Size | 8 incheslower than 61% of 32 subwoofers |
| Woofer Diameter | 8 incheslower than 52% of 28 subwoofers |
| Speaker Size | 8 incheslower than 68% of 23 subwoofers |
| Item Dimensions D X W X H | 11.5 × 12 × 6 inches |
| Tweeter Diameter | 1 inch |
| Capacity & performance | |
| Speaker Maximum Output Power | 150 wattslower than 78% of 38 subwoofers |
| Audio Output Mode | Surround |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Corded Electric |
| Number Of Power Levels | 1 |
| Construction & materials | |
| Enclosure Material | Polypropylene |
| Color | IWS8 |
| Compatibility & installation | |
| Connectivity Technology | Auxiliary |
| Connectivity Protocol | Bluetooth |
| Subwoofer Connectivity Technology | Wired |
| Mounting Type | In,Wall Mount |
| Compatible With Vehicle Type | Car |
| Compatible Devices | Home Theater, Television |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Type | Full |
| Warranty Description | 10 years |
| Other details | |
| Speaker Type | In Wall, Subwoofer |
| Control Type | Remote |
| Audio Driver Type | Dynamic Driver |
| Number Of Audio Channels | 5.1, 7.1 |
| Is Waterproof | No |
| Water Resistance Level | Not Water Resistant |
| Number Of Items | 1 |
| Mp3 Player | No |
| Additional Features | Bass Boost |
| Antenna Location | For Home Theaters |
| Builtin Media | Subwoofer, Dog Ear Mount System, Integrated Rear Dust Cover |
| Specific Uses For Product | Home Theatre |
| Frequency Response | 40 Hz |
| Wireless Technology | Bluetooth |
| Impedance | 8 ohms |
| Eu Spare Part Availability Duration | 10 years |
Closest rivals on specs
JBL BassPro SL Under-Seat Powered Subwoofer 8 Inch- Speaker Maximum Output Power 150 vs 125 watts (+20%)
Edifier T5 Powered Subwoofer 8 Inch- Speaker Maximum Output Power 150 vs 70 watts (+114%)
Frequently asked questions
Is the OSD Audio IWS8 a floor-standing or in-wall subwoofer?
It is built for in-wall mounting rather than floor placement.
What size driver does the IWS8 use?
It has an 8 inch driver.
How is the IWS8 connected to a receiver?
It uses an aux connection.