Alpha S10 – 10″ Subwoofer


Warranty: 5 Years

Big Time Bass That Won’t Break the Bank

PSB redefined high performance and high value with their legendary Alpha Series speakers and the new Alpha S10 active subwoofer continues that tradition in the all-important bass region. Though the S10 is compact and affordable, it gets down to business for music and home theater systems when deep bass is a must. The Alpha S10 meets the challenge featuring a long throw 10” woofer with polypropylene cone in a specially tuned bass reflex enclosure. Add DSP control and a state-of-the-art digital amplifier and the magic begins.


Affordable Excellence With Audiophile Pedigree
PSB has been making critically-acclaimed speakers for more than 45 years and are especially famous for speakers that deliver high bang for the buck. The Alpha S10 will astound with adding lifelike realism for both music and movies to PSB speakers or any high performance speaker.

Advanced Tech in Drivers and Amplification
The Alpha S10 boasts a specialized long-throw 10” driver and efficient bass reflex enclosure for remarkable bass.The built-in high efficiency digital amplifier delivers 210W of dynamic power for unconstrained deep-bass peaks and musical accuracy. Then to go one step further, the S10 utilizes digital signal processing (DSP) to allow PSB’s engineering team to maximize all aspects of performance to deliver the flattest frequency response and powerful bass extension.

Compact Cabinet Will Fit Most Anywhere
The rear-ported cabinet has a small footprint that can be sited most anywhere in the room. On the rear panel are Volume and Crossover Controls, Phase Switch, Low Level Input, AutoOn/Standby Switch, Gold-plated RCAs, USB Power Jack for RT100 wireless accessory, Supplied rubber bumpers and spikes allow for installation on hardwood or carpeted floors.

  • Specially tuned bass reflex design with rear port
  • Digital amplifier 150 Watts of Continuous Power
  • Compact cabinet volumes with high output
  • Woofers feature polypropylene cones and rubber surrounds
  • Design and final voicing engineered by Paul Barton


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Frequency Range Response

On Axis @ 0° ±3dB28-150Hz
LF Cutoff -10dB22Hz

Impedance Nominal Input

Minimum22k Ohms

Input Power

Recommended15-120 Watts
Program60 Watts

Amplifier Power

Continuous150 Watts
Dynamic210 Watts

Acoustic Design

Woofer (Nominal)10” (254mm)

Polypropylene Cone, Rubber Surround

Variable 50-150Hz with

LFE setting, B2
CrossoverLow Pass Filter
Internal Volume Design Type1.45 cu ft (41 liter)

Bass Reflex

Dimensions / Weights / Finish

Size (W x H x D)14” x 14 1/8” x 17 1/2” *

(356 x 359 x 445mm)
WeightNet - TBD

Shipping - TBD
FeaturesRear 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.

Data Sheet (PDF)

Owners Manual (PDF)

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