Alpha S8 – 8" Subwoofer


Huge Bass. Compact Price.

PSB's Alpha S8 powered subwoofer continues the tradition of high-performance and value. Despite its compact size and affordability, it excels in delivering robust bass for music and home theater systems. The Alpha S8 features an 8" woofer with a responsive polypropylene cone, housed in a specially tuned bass reflex enclosure for optimal performance.

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More Information
Price £449.00
wireless_speaker No

Frequency Response

On Axis @ 0° ±3dB 35 - 150Hz
LF Cutoff -10dB


Impedance Nominal Input

Minimum 22k Ohms

Input Power

Recommended 15 - 120 Watts
Program 60 Watts

Amplifier Power

Continuous 150 Watts
Dynamic, Peak 210 Watts

Acoustic Design

Woofer (Nominal)

8” (203mm)

Textured Polypropylene Cone, Rubber Surround

Variable 50-150Hz with

LFE setting, B2


Low Pass Filter

Internal Volume Design Type

0.86 cu ft (24.4 liter)

Bass Reflex

Dimensions / Weights / Finish

Size (W x H x D)

 11 1/2” x 12 1/2” x 15 1/4” *

(292 x 318 x 387mm)


Net - TBD

Shipping - TBD




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


* Non-metric measurements are approximate.

All specifications are subject to change without notice.


Data Sheet
Owner's Manual