Down-firing Bass That Fills Out Any System
The S8 powered subwoofer drops into any system with a spare output — be it a pair of powered desktop speakers, a stereo receiver, or a turntable rig — and hands the low end over to a dedicated 8-inch woofer with a dedicated Class D amplifier. The woofer fires downward into the floor, so bass loads evenly into the room, and a variable crossover plus a phase switch on the rear panel let you dial the S8 in to complement the speakers you already own. Finally, auto-sleep standby shuts down the amplifier the moment the audio stops. When you add the S8 to your system, the records, films, and games you already enjoy will gain a new foundation that you can feel.
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Tune it to your room, not the other way around
The S8's rear panel puts a variable crossover in your hands, adjustable from 50 to 130Hz, so you decide exactly where the subwoofer picks up from your main speakers. A 0 and 180-degree phase switch flips polarity when the sub and the speakers are working against each other, and a dedicated level control balances the bottom end against the rest of the system. Sweetwater home audio experts say that having these controls on the sub itself means you don't need a receiver with bass management to get a clean handoff. A few minutes of adjusting these settings ensures a low end that supports the rest of your audio.
Connect it and forget it
The S8 sports RCA left and right inputs alongside a 1/8-inch stereo mini-jack, making it compatible with a receiver's subwoofer output, the variable output on a pair of Audioengine powered speakers, or a phono preamp. Once it’s connected, the auto-sleep circuit shuts the amplifier down when no signal arrives and wakes it the instant you hit play, draining under a watt of power while it waits. Furthermore, the included isolation elastomer feet decouple the cabinet from the floor, so the down-firing woofer sends its energy into the room rather than into your desk or floorboards. Connect it, set your crossover and levels, and brace yourself for your favorite media’s enhanced impact.
Audioengine S8 Features:
- Powered sub with a down-firing woofer and Class D amplifier, built to add low-end extension to powered speakers, stereo receivers, and turntable systems
- 8-in. long-throw down-firing woofer in a front-ported cabinet covers 27Hz–180Hz ±1.5dB
- 140W RMS output (250W peak) for ample headroom on any kind of media
- Variable 50Hz–130Hz crossover lets you set the ideal handoff point between the S8 and your main speakers
- 0°/180° phase switch corrects cancellation between the sub and your speakers
- Rear-panel level control balances low-end output against the rest of your system
- RCA L/R and 1/8-in. stereo mini-jack to connect receivers, powered speakers, and phono preamps without needing additional adapters
- Add a W3 Wireless Adapter (sold separately) to run the S8 without a signal cable
- Auto-sleep standby shuts down the amplifier when no signal is present, drawing under 1W at idle
- Isolation Elastomer Feet decouple the cabinet from the floor to cut vibration and resonance
- Magnetically shielded for placement near monitors and hard drives without introducing noise into the signal
- 15.6mm MDF cabinet resists flex and panel resonance at high output
- Protection circuitry covers output current limiting, thermal over-temperature, and power on/off transients to keep the amplifier safe through long, loud sessions
- 100–240V AC, 50/60Hz autoswitching power supply
- Includes AC power cord, mini-jack audio cable, RCA audio cable, microfiber subwoofer bag, and a 3-year warranty provided by Audioengine
