





Brand: PSB Speakers
PSB Alpha S8 – 8" Subwoofer
PSB’s Alpha S8 powered subwoofer delivers powerful, precise bass in a compact design that’s perfect for music and home theatre setups. Featuring an 8” long-throw woofer and 210W digital amplifier, it combines deep bass with advanced DSP for optimal clarity. Convenient controls and a space-saving rear-ported cabinet make it easy to integrate into any room, enhancing audio with audiophile-quality sound at an affordable price.
Specifications
PSB Alpha S8 – 8" Subwoofer
| Specification | Value |
|---|---|
| Frequency response on axis |
0° ±3dB 35 - 150Hz |
| Lf cutoff -10db |
32Hz |
| Impedance nominal input minimum |
22k Ohms |
| Input power recommended |
15 - 120 Watts |
| Input power program |
60 Watts |
| Amplifier power continuous |
150 Watts |
| Amplifier power dynamic peak |
210 Watts |
| Acoustic design woofer |
8” (203mm) Textured Polypropylene Cone, Rubber Surround |
| Crossover variable |
50-150Hz with LFE setting, B2 |
| Crossover low pass filter |
Internal |
| Volume design type |
0.86 cu ft (24.4 liter) Bass Reflex |
| Dimensions size |
11 1/2” x 12 1/2” x 15 1/4” (292 x 318 x 387mm) |
| Weight net |
TBD |
| Weight shipping |
TBD |
| Finish |
Woodgrained |
| Features |
Rear Mounted Volume, Crossover Controls, Phase Switch, LFE Settings, Low Level Input, AutoOn/Standby Switch, Gold-plated RCAs, USB Power Jack for RT100 wireless, Rubber bumpers and spikes |
| Notes |
Non-metric measurements are approximate. All specifications are subject to change without notice. |
Product Details

PSB Alpha S8 – 8" Subwoofer
Sale price$899.00 AUD