OSD Dual 8″ in Wall Subwoofer 350W Reinforced Back Bridge, Easy Install, Paintable Grill, IWS88


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Price: $108.00
(as of Aug 14,2022 18:35:22 UTC – Details)

Product Description

Whole house audio optimal speaker designWhole house audio optimal speaker design

Optimal Speaker Design is engaged in the design, engineering, and distribution of high-quality home and commercial audio products. Our products range in complexity from simple in-ceiling speakers to whole house audio systems – all with beautiful styling and high-end sound quality. Our U.S.-based research, development, and design team is supported by a network of cutting-edge acoustical, mechanical, and electrical engineers. Together, we create products that combine the latest technology with ease of use for a quality sound experience.

indoor subwoofersindoor subwoofers

Various Size Ranges

Various Size Ranges



deep bass

deep bass

high power

high power

Variable Size Range

We want you to have options, and with multiple size ranges from Single 8”, Dual 8”, and up to 12”, we have the right size subwoofer for your needs.

In-Wall to Floor Standing Designs

Some customers would rather hear than see their subwoofer, which is why we offer sub options from a discreet trimless in-wall to powerful floor standing designs.

Bold Deep Bass

Enjoy deep, smooth, low bass to deliver extreme sensory pleasure to your Home Theater, Media Room, or 2 Channel Stereo System.

High-Power Handling

Our subs offer efficient high-power handling for optimal sound output. Improve otherwise thin-sounding speaker setups with spine-tingling bass notes.


exploding subwooferexploding subwoofer Features: Dog-ear bracket system that mounts securely to the sheet-rock Fills in LFE missing from your home theater or audio system Our SMP-500 subwoofer amplifier is the perfect companion

OSD Audio Flush Mount 350W In-Wall Subwoofer

Dual 8″ Injected Woofers Back Bridge Plate – IWS88

With dual 8″ Injected polypropylene woofers, bigger magnets and 350 watts of power handling, the IWS-88 in-wall subwoofer performs excellently for home theater surround sound applications as well as for listening to music. By adding a strong reinforced back plate to stiff the structure of the subwoofer, we make it to sound deeper and clean.

Elegant, flush mounted subwoofer blends effortlessly into any room interior Paintable frame and grille blends in any room decor Reinforced back bridge plate for better bass

Speaker Type
8″ In-Wall Subwoofer Dual 8″ In-Wall Subwoofer 8″ In-Wall Subwoofer 10″ In-Wall Subwoofer 8″ In-Wall Subwoofer 8″ In/ On-Wall Subwoofer

8″ Polypropylene with Rubber Surround Dual 8″ Injected Polypropylene w/ Reinforced Back Plate 8″ Polypropylene 10″ Polypropylene with Rubber Surround 8″ Polypropylene Active Polypropylene & 10″ Passive Dual 8″ Polypropylene Active Polypropylene & 10″ Passive

Frequency Response
60Hz – 500Hz 38Hz-500Hz 40Hz – 200Hz +/-3dB 38Hz – 200Hz +/-3dB 40Hz – 500Hz 30-800Hz

Power Handling
200W 350W 150W 200W 300W 300W

Sensitivity & Impedance
89 dB, 8 Ohms 90 dB, 4 Ohms 87 dB, 8 Ohms 86 dB, 8 Ohms 88 dB, 8 Ohms 88 dB, 4 Ohms

Mounting Depth (Assuming .5″ Drywall)
3.9″ 3.56″ 3.63″ 3.75″ 3.9″ –

Unit Dimensions (LxHxD)
17.2″ x 18.7″ x 4.3″ 11.43″ x 18.43″ x 4″ 10″ x 10″ x 3.6″ 12″ x 12″ x 3.75″ 22″ x 17.5″ x 4.3″ 14.5″ x 28″ x 4.75″

Cutout Dimensions (LxH)
14.2″ x 17.5″ 10.25″ x 17.75″ 8.75″ x 8.75″ 10.62″ x 10.62″ 20″ x 14.5″ –

Selling Unit
Single Single Single Single Single Single

Subwoofer Amplifier Needed
Yes Yes Yes Yes Yes Yes

POWER:  The IWS88 features dual 8 inch injected woofers and a reinforced back bridge plate for better, room-filling bass, taking you out of reality and into the plot with surround sound.
SOUND QUALITY: Place the IWS88 into the wall to fill in the low notes missing from your music and movies. It enhances the sound quality of your home theater for ultimate guest appeal.
BASS: With 350 Watts of power handling, a deep bass sound is produced in a compact package and smaller enclosure for a controlled vibration system.
IN-WALL: The IWS88 has a low profile look when placed into a wall. It includes a dog-ear bracket system to mount securely to the sheet-rock.
DESIGN: The slim in-wall sub features a paintable frame and grille, allowing this subwoofer to appear flush with surrounding design while taking up minimal floor space.

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OSD Dual 8″ in Wall Subwoofer 350W Reinforced Back Bridge, Easy Install, Paintable Grill, IWS88


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