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Audioengine S8 8" 250W Subwoofer (Black)

BH #AUAS8B • MFR #S8-US-BLK
16 reviews
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Audioengine S8 8" 250W Subwoofer (Black)
Key Features
  • 8" Down-Firing Woofer
  • 250W Dynamic Power
  • Compact 11.25" Cube Design
  • MDF Construction
Enhance the bass in your home theater system with the black Audioengine S8 8" 250W Subwoofer. It features a front-firing linear port enclosure designed to minimize excessive noise, a down-firing 8" long-throw woofer with magnetic shielding, and an MDF cabinet enclosure. This design enables the S8 to reproduce a tight "punch" at high sound levels.
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Audioengine S8 Overview

Enhance the bass in your home theater system with the black Audioengine S8 8" 250W Subwoofer. It features a front-firing linear port enclosure designed to minimize excessive noise, a down-firing 8" long-throw woofer with magnetic shielding, and an MDF cabinet enclosure. This design enables the S8 to reproduce a tight "punch" at high sound levels.

The S8 also features a 250W Class D amplifier and a wide frequency response for enhanced sound quality and low distortion. It's stylish, compact 11.25" cube design will complement the flat-screen TV in your home theater setup.

Powerful 250W Class D Amplification
A 250W Class D amplifier makes this subwoofer well suited for most situations.
Front-Firing Linear Port and Down-Firing Woofer Design
This subwoofer utilizes a front-firing linear port and down-firing woofer designed to complement front surround systems and micro component systems.
Advanced Protection Circuitry
This subwoofer offers Output Current Limiting, Thermal Over-Temperature, and Power On/Off Transient Protection, which help ensure that sound reproduction will be clean and well defined.
Wireless Ready
If you decide to place this subwoofer away from your powered speakers or surround receiver, the optional Audioengine W3 wireless audio adapter offers the ability to incorporate wireless bass in your home theater system. With its plug-and-play design, the W3 sets up in minutes with no apps or software to install.
Magnetically Shielded
Its housing is designed with magnetic shielding, preventing undesirable interference that causes distortion.
UPC: 819955110012

Audioengine S8 Specs

Key Specs
Subwoofer Type
Active
Enclosure Type
Bass-Reflex
Subwoofer Power Rating
125 W RMS
250 W Peak
Subwoofer Drivers
1x 8" / 20.32 cm (Down-Firing)
Frequency Response
27 to 180 Hz
Inputs/Outputs
1x Stereo RCA Input
1x 1/8" / 3.5 mm Input
1x USB-A Output (Bus Power)
Subwoofer
Subwoofer Type
Active
Enclosure Type
Bass-Reflex
Amplifier Power Rating
125 W RMS
250 W Peak
Drivers
1x 8" / 20.32 cm (Down-Firing)
Ports
1 (Front-Firing)
Frequency Response
27 to 180 Hz
Amplifier Class
Class-D
Magnetic Shielding
Yes
Inputs/Outputs
1x Stereo RCA Input
1x 1/8" / 3.5 mm Input
1x USB-A Output (Bus Power)
Crossover Frequency
50 to 130 Hz
Maximum SPL
88 dB
Input Impedance
10 Kilohms
SNR (Signal-to-Noise Ratio)
95 dBA
Total Harmonic Distortion (THD)
<0.05%
Phase Adjustment
0 / 180°
Power
Input Power
110 to 240 VAC, 50 / 60 Hz
Power Consumption
8 W (Standby)
Physical
Color
Black
Placement & Mounting Options
Floorstanding
Cabinet Material
MDF
Dimensions
11.2 x 11.2 x 11.2" / 285.7 x 285.7 x 285.7 mm
Weight
23.4 lb / 10.6 kg
Packaging Info
Package Weight
29.2 lb
Box Dimensions (LxWxH)
17.5 x 16.5 x 16.5"

Audioengine S8 Reviews

Finishes the job!

By Mark
Rated 5 out of 5
Date: 2025-08-18

Rounds out the sound when listening to the big orchestra and the pipe organ. We're not looking for the big thump-thump commonly sought from a subwoofer. We like that deep bass dialed in just enough to warm things up nicely. This box is that kind of sensitive and hight-fidelity.

Great for uncolored sound

By Gary
Rated 5 out of 5
Date: 2022-09-01

It's not the biggest or most powerful subwoofer, and might not fill a large room for home theater, but for clean, uncolored sound, say for jazz or classical, it's hard to beat. This sub has a solid pedal low C (think the Saint-Sans Third Symphony or certain passages from Holst's The Planets) and for intimate listening to jazz it will give you rock-solid (no pun intended) bass without overpowering the music. Pairs beautifully with other Audioengine products; a pair of self-powered speakers plus the S8, and a passive preamp for a volume control, gives you a super-clean small system at a fraction of the cost of a big component setup, and no compromise in sound quality. If accurate timbre and fidelity are your goals, this is an excellent choice. And for the icing on the cake, it's beautifully hand-finished in glossy white or black.

See any errors on this page?

I am overseas and our power is 220v the unit says ...

I am overseas and our power is 220v the unit says it can handle that. Is there a converter on the power cord or is it internal?
Asked by: James
The Audioengine S8 8" 250W Subwoofer (Black), B&H # AUAS8B, is able to accept AC input power of anywhere from 100 to 240V. A plug adapter is necessary to use this subwoofer internationally, but an additional transformer will not be needed.
Answered by: Teddy B
Date published: 2024-06-26

question

It says in the description that the sub is Wireless capable. Is that mean that I can connect it to the Audioengine HD6 wich is at the oposite of the room without any cable?
Asked by: Yanick D.
The Audioengine AS8B Powered Subwoofer can be wirelessly connected using the W3 Premium Wireless Audio Adapter. https://bhpho.to/2pQnxnP
Answered by: James B.
Date published: 2018-08-27

Hello! Is this used subwoofer black or white? ...

Hello! Is this used subwoofer black or white? Because the photo is the black one. Thanks
Asked by: Csar
This Audioengine S8 8" 250W Subwoofer (Black) BH #AUAS8B • MFR #S8 BLACK would be in the color Black. But we do offer it in White, BH #AUAS8W • MFR #S8 WHITE
Answered by: Moe
Date published: 2023-03-01

What, precisely is a "front-firing linear port ...

What, precisely is a "front-firing linear port enclosure"? Is this referring to wormhole-shaped "eye" on the front of the S8?
Asked by: Leo
Correct, the "front firing linear port" is just referring to the placement and overall shape of the port on the Audioengine S8 8" 250W Subwoofer (Black).
Answered by: Alex D
Date published: 2025-09-15

does this model version have flat feet?

does this model version have flat feet?
Asked by: Mark
The bottom of the legs are flat.
Answered by: Mark S
Date published: 2018-12-19

question

Does that 11.25 height measurement include the feet/spikes or not? If not, are they removable?
Asked by: Wesley
My box has the pointed legs on and it measures 13 3/4 inches tall. Not sure you're supposed to remove the legs, but I'm pretty sure you can. PS sounds and works great!
Answered by: JOEL P.
Date published: 2018-08-27
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