PSB SubSeries HD10 10″ Powered Subwoofer — 750W, 2000W Peak!

A serious subwoofer in about a square foot of floor, from one of the most respected names in Canadian loudspeaker design, with deep, powerful bass for home theatre and most music.

What it is

PSB summarised the problem better than anyone else has: small, deep and loud — pick two. The HD10 was an eighteen-month attempt to have all three, and the HD in the name stands for High Density, which is the honest description of what they did. A 10-inch high-mass poly-coated fibre cone on an extra-heavy-duty cast aluminum basket, with an oversize magnet and a large-diameter voice coil, sits in a computer-modelled enclosure barely bigger than the driver itself, flanked by two opposing 10-inch passive radiators. Behind it is a Class H amplifier rated at 750 watts continuous and 2,000 watts of peak dynamic potential.

The two passive radiators face opposite sides of the cabinet, so their reaction forces largely cancel each other out. And because the radiators do the loading rather than a port tube, no internal volume is lost to plumbing. The result is output to a rated 30 Hz from a box that has no business reaching it, with as much as two inches of peak-to-peak excursion available when the material asks for it.

The Class H amplifier is the other half. Rather than sitting at a fixed rail voltage and shedding the difference as heat, it raises its supply only when the signal demands it, which is how 750 continuous watts fit inside a cabinet this size. PSB’s smart bass monitoring sits over the top, holding the driver inside its excursion limits so that what you hear at high level is still bass rather than a driver running out of room.

The connection panel deserves particular attention if you run vintage gear. Alongside line-level stereo and LFE inputs and outputs, the HD10 has high-level stereo inputs on five-way binding posts, which take bare wire, spades, pins or banana plugs (our own Radique Audio banana plugs are a neat fit, and our Custom Speaker Cable Builder will make the short run from your amplifier), so it takes a speaker-level feed straight from the amplifier terminals of a receiver that has no subwoofer output at all. A great many superb amplifiers from the 1970s have no LFE socket anywhere on them, and this is the sub that does not care. Bass level, crossover and continuously variable phase controls are all on board, along with auto on/off and a trigger input for anyone integrating it into a controlled system.

When Audio Ideas Guide’s Andrew Marshall reviewed it in June 2008, he found its bass reaching down to 25 Hz before rolling off.

The HD10 launched in 2007 at US$1,499, about $2,400 in 2026 Canadian dollars. For comparison, PSB’s current compact subwoofer, the SubSeries BP8, sells new in Canada for $2,599 CAD (approx. US$1,870).

Condition

Good. The satin black cabinet is clean on the front, sides and back, but the top carries a few light scuffs near the front right corner, visible in the photographs. The grille, PSB badge, controls and all four feet are intact.

Its sound is also graded Good, and it is still a very good subwoofer. Bass extension is excellent, so is its output for a cabinet this compact, and it sounds great at lower volumes. We did note a little vibration when it is played loud, so it is an excellent match for home theatre and music in a medium or larger room. In a small, enclosed space it is happiest at moderate levels, where even a near-field setup can work well.

In Very Good condition we would list an HD10 at $745 CAD (approx. US$535). Because of the scuffs and that note, this one is $595 CAD (approx. US$430).

Deep, powerful bass from a cabinet you can live with, an amplifier with real headroom, and inputs that work with the vintage amplifier you already own.

Available for pickup in Kanata, or shipped across Canada and internationally — we have sent equipment to fifteen countries in the past year, each piece packed in-house in 275 lb test double-wall boxes. Live shipping rates for your address are calculated at checkout. Backed by Radique Audio’s Bumper-to-Bumper Warranty and our Perpetual Trade-Back Program. Available for audition by appointment in Kanata.

PSB SubSeries HD10 Specifications

• Design: powered subwoofer, front-firing 10″ driver with two opposing 10″ passive radiators
• Active driver: 10″ high-mass poly-coated fibre cone, cast aluminum basket, oversize magnet
• Amplifier: Class H, 750 watts continuous, 1,000 watts dynamic, 2,000 watts peak dynamic
• Low-frequency extension: 30 Hz (PSB rating)
• Driver excursion: up to 2 inches peak to peak
• Protection: PSB smart bass monitoring
• Inputs: line-level stereo and LFE on gold-plated RCAs; high-level stereo on five-way binding posts (bare wire, spades, pins or banana plugs, including our Radique Audio banana plugs)
• Outputs: line-level stereo and LFE on gold-plated RCAs
• Controls: bass level, crossover, continuously variable phase, auto on/off, trigger input
• Finish: satin black
• Designed and engineered in Canada
• Dimensions: (Width x Height x Depth) 12 x 13 x 13 inches (305 x 330 x 330 mm)
• Weight: 35 lbs (15.9 kg)

⚠️ Important Information for International Buyers

This unit is configured for North American 110/120V power. Buyers outside North America will require a step-down transformer and appropriate plug adapter.

✅ Buy With Confidence — The Radique Promise

Backed by Radique Audio’s Bumper-to-Bumper Warranty and our Perpetual Trade-Back Program. When you’re ready to move on, we’ll take it back. That’s the Radique difference.

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📞 Questions? Use the Ask a Question button above, or call us at 613-416-9995.