PSB Alpha S10 10" Powered Subwoofer at Vinyl Sound Toronto Canada

The Alpha S10 is a compact 10-inch powered subwoofer from PSB Speakers (Pickering, Ontario, Canada), available at Vinyl Sound in Toronto, Canada. Continuing the legacy of PSB's acclaimed Alpha Series, the Alpha S10 brings the company's audiophile engineering philosophy to the all-important bass region in a compact, room-friendly cabinet. It pairs a custom 10-inch long-throw polypropylene cone woofer with a specially tuned bass reflex enclosure, an all-digital amplifier delivering 150 watts continuous and 210 watts dynamic power, and onboard DSP developed and voiced by PSB founder Paul Barton. With a frequency response of 28 Hz to 150 Hz (±3 dB) and extension to 22 Hz, the Alpha S10 delivers deep, musical bass for both stereo and home theatre systems in Black Ash Woodgrain finish.

Long-Throw Driver and Tuned Bass Reflex Enclosure

The Alpha S10's front-firing 10-inch driver is a purpose-built long-throw design with a textured polypropylene cone and rubber surround, engineered to handle high excursion with low distortion across the demands of both cinema soundtracks and complex musical recordings. The driver is matched to a specially tuned bass reflex enclosure with a rear slot port that runs nearly the full width of the rear panel. This slot port geometry was developed specifically to eliminate the audible port noise and chuffing that can locate a subwoofer to the ear, keeping the Alpha S10 acoustically invisible in the room while extending usable bass output down to 22 Hz. PSB's goal with the Alpha S10 was a subwoofer that supplements the main speakers seamlessly, without audibly drawing attention to itself.

DSP-Optimised Digital Amplification and Paul Barton Voicing

The Alpha S10's built-in high-efficiency digital amplifier delivers 150 watts of continuous power and 210 watts of dynamic power, supported by onboard digital signal processing that gives PSB's engineering team precise control over the output curve at every frequency. Where conventional passive crossover components introduce phase shifts and component tolerances, the Alpha S10's DSP can shape the frequency response with far greater accuracy, producing the flattest possible response and maximising bass extension within the cabinet's physical boundaries. Final voicing was performed by PSB founder and chief designer Paul Barton, who has applied the same acoustic rigour to the Alpha line that defines PSB's reputation for natural, non-fatiguing sound across more than 50 years of Canadian speaker design.

Key Features

• 10-Inch Long-Throw Woofer: A custom front-firing driver with a polypropylene cone and rubber surround delivers accurate, high-excursion bass with low distortion for both music and home theatre use.
• 150W Continuous / 210W Dynamic Digital Amplifier: A high-efficiency all-digital amplifier provides continuous and peak power headroom for deep, controlled bass at demanding listening levels.
• Onboard DSP Optimisation: Digital signal processing, tuned by PSB's engineering team, delivers a flat frequency response and extends usable bass output toward the driver and cabinet's physical limits.
• Tuned Bass Reflex Enclosure with Rear Slot Port: A specially designed rear slot port extends low-frequency output to 22 Hz while eliminating audible port noise and chuffing.
• Frequency Response 28 Hz to 150 Hz (±3 dB): Covers the full subwoofer operating band with extension to 22 Hz for genuine deep bass authority in music and cinema.
• Variable Crossover (50 Hz to 150 Hz): A rear-panel crossover control allows seamless integration with compact bookshelf speakers through to larger floor-standing designs.
• Phase Switch: Rear-panel phase control enables precise time alignment between the subwoofer and main speakers for the most coherent bass at the listening position.
• Gold-Plated RCA Line-Level Input: Gold-plated connectors accept line-level and LFE signals from AV receivers, stereo preamplifiers, and integrated amplifiers.
• Auto On / Standby Mode: Signal-sensing auto standby activates the subwoofer automatically when audio is detected and powers it down during inactivity.
• USB Power Jack for RT100 Wireless Accessory: An onboard USB output powers PSB's optional RT100 wireless transmitter and receiver for cable-free subwoofer placement.
• Rubber Bumpers and Spikes Included: Supplied installation accessories allow stable placement on both hardwood floors and carpeted surfaces.
• Paul Barton Voicing: Designed and finally voiced by PSB founder Paul Barton, applying the same acoustic philosophy that has defined the Alpha series for over 50 years.

Technical Specifications

Connections at a Glance

• Gold-plated RCA line-level input (LFE / low-level)
• Variable crossover control: 50 Hz to 150 Hz (rear panel)
• Volume control (rear panel)
• Phase switch (rear panel)
• Auto On / Standby switch (rear panel)
• USB power jack for optional RT100 wireless transmitter and receiver
• Rubber bumpers and spikes for hardwood and carpeted floors

Frequently Asked Questions

What is the PSB Alpha S10 10" Powered Subwoofer?

The PSB Alpha S10 is a compact 10-inch powered subwoofer from PSB Speakers, engineered and voiced in Pickering, Ontario, Canada. It features a long-throw polypropylene cone woofer, a 150-watt continuous digital amplifier with onboard DSP, and a tuned bass reflex enclosure with a rear slot port. The Alpha S10 delivers a frequency response of 28 Hz to 150 Hz (±3 dB) with extension to 22 Hz and is designed to add deep, musical bass to both stereo hi-fi and home theatre systems without drawing acoustic attention to itself.

How does the PSB Alpha S10 compare to the SVS SB-1000 Pro and Polk Audio HTS 10?

The PSB Alpha S10, SVS SB-1000 Pro, and Polk Audio HTS 10 are all compact powered subwoofers targeting listeners who want meaningful bass performance without a large cabinet footprint. The SVS SB-1000 Pro uses a sealed cabinet and smartphone DSP app control, offering tighter transient response but less low-frequency extension at a higher price. The Polk HTS 10 is a ported design at a lower price point but without DSP amplification or Paul Barton voicing. The Alpha S10 offers a rear slot port tuned to minimise chuffing, onboard DSP for a flat frequency response, USB wireless accessory support via the RT100, and over 50 years of Canadian acoustic heritage behind its driver and cabinet design.

What makes the long-throw woofer in the Alpha S10 different from a standard subwoofer driver?

A long-throw woofer is designed with a longer voice coil and a more compliant spider and surround than a standard driver, allowing the cone to travel a greater distance from its resting position in both directions without losing control or introducing distortion. In the Alpha S10, this extended excursion capability allows a 10-inch driver to move the volume of air needed for deep, impactful bass at realistic listening levels, maintaining accuracy and low distortion even during demanding cinematic bass passages that would push a shorter-throw driver into breakup.

Can the PSB Alpha S10 integrate with a stereo amplifier that lacks a subwoofer output?

The Alpha S10 accepts a line-level signal through its gold-plated RCA input, which is the standard connection used by AV receivers and preamplifiers with a dedicated subwoofer or LFE output. It does not include speaker-level high-level inputs, so a source with a line-level subwoofer output is required for direct connection. Listeners using a stereo integrated amplifier without a subwoofer output can typically use a Y-splitter from the preamplifier output to feed the Alpha S10 while the power amplifier drives the main speakers.

What is the RT100 wireless accessory and how does it work with the Alpha S10?

PSB's optional RT100 is a wireless transmitter and receiver kit that allows the Alpha S10 to receive its audio signal wirelessly from the main system, eliminating the need to run a subwoofer cable across the room. The Alpha S10 includes a USB power jack on its rear panel specifically to power the RT100 receiver, so no additional power supply is needed at the subwoofer end. This makes it practical to position the Alpha S10 at the acoustically optimal location in the room without being limited by cable length or routing constraints.

Is the PSB Alpha S10 suitable for music as well as home theatre?

Yes, the Alpha S10 is built to perform equally well with music and home theatre content. PSB's design philosophy for the Alpha subwoofer line emphasises seamless integration with the main speakers and musicality over raw output capability. The DSP-tuned amplifier and slot-ported enclosure produce bass that is fast and precise enough to track the timing of acoustic bass instruments and kick drums accurately, while still delivering the low-frequency energy and dynamic range that home theatre soundtracks demand. Paul Barton's voicing ensures the Alpha S10 complements rather than overshadows the main speakers in any listening context.

Where can I buy the PSB Alpha S10 in Toronto or Canada?

The PSB Alpha S10 10" Powered Subwoofer is available in Toronto, Canada at Vinyl Sound, an authorised PSB Speakers dealer. Vinyl Sound stocks the Alpha S10 in Black Ash Woodgrain finish, with knowledgeable staff ready to assist with system matching, placement guidance, and integration advice for both stereo and home theatre setups. Customers across Canada are welcome to contact Vinyl Sound for purchasing and shipping inquiries.