PSB SubSeries BP7 – Powered Subwoofer
The PSB SubSeries BP7 is a compact powered subwoofer designed to bring deep, musical bass to any room. With its bipolar driver design, sealed cabinet, and high-efficiency amplifier, the BP7 blends effortlessly into both music and home theatre systems. Combining PSB's proprietary bipolar driver configuration with a sealed cabinet design and premium amplification, the BP7 produces clean, articulate bass that integrates seamlessly with both music and home theatre systems, delivering accuracy and power in a discreet footprint without overwhelming the living space.
- (2) 6.5" (152mm) woven Carbon Fibre Cone active drivers
- 350 watt Universal Class D amplifier
- 30 Hz – 150 Hz (±3 dB) Frequency Response
- Sealed cabinet
- Weight: 26.5 lbs (12 kg)
- Made in China
- 1 Year Warranty
Highlights & Key Technologies
Bipolar Driver Array
Dual 6.5" woven carbon fibre drivers are mounted in opposing alignment to eliminate cabinet vibrations and reduce distortion. This true bipolar configuration delivers fast, articulate low frequencies with surprising extension and control. The result is a subwoofer that translates amplifier power directly into pure acoustic energy, ensuring bass performance that is as musical as it is impactful, giving action scenes extra punch and adding depth to favourite albums without the usual rattle or boom.
Precision Class D Power
The BP7 features a 350-watt Universal Class D amplifier engineered for speed, control, and efficiency. Designed to handle dynamic peaks effortlessly, it delivers bass that is both powerful and nuanced. From subtle textures in acoustic recordings to the explosive dynamics of modern cinema, the BP7 maintains fidelity and control across all listening scenarios — powerful when it should be, and controlled when it needs to be.
Sealed Cabinet Accuracy
The sealed acoustic design of the BP7 eliminates the port noise and resonances common in vented enclosures. This results in bass that is tighter, more controlled, and truer to the source material. With superior accuracy and flexibility in placement, the BP7 appeals to listeners who value precision and realism in their audio systems, staying tight and natural whether it sits in a living room, den, or dedicated media space.
Proprietary Driver Engineering
Drawing from PSB's five decades of acoustic innovation, the BP7's custom drivers feature filleted rubber surrounds, oversized magnets, and 1.5" voice coils. These components allow for extended excursion and remarkable accuracy, producing bass that is not only deep and powerful but also highly musical.
Compact, Elegant Form
Measuring just 10.6" wide and deep and 11.4" high and less than 1 cubic foot, the BP7 proves that powerful bass does not require a large enclosure. Satin Black and Satin White finishes, accented with polished aluminium trim rings, ensure the BP7 complements PSB's premium Imagine and PWM loudspeaker lines while fitting discreetly into any room — small enough to fit under a side table.
Connections & Operation
The BP7 accepts high-level and low-level (line-level) inputs via gold-plated stereo RCAs, usable as full-range left/right or LFE/Subwoofer connections from an external preamplifier, integrated amplifier, or receiver. A 12V trigger input activates or deactivates the subwoofer from a connected component, and a USB power output connects a wireless subwoofer signal receiver. A three-way activation switch offers Auto (signal sensing), Trigger (12V), or On (always active) operation, with a two-colour LED indicating standby and active states. Bass Level, Crossover, and Phase (0°/180°) controls allow precise integration; when using an LFE signal, the crossover control is set to LFE (max). The BP7 ships with North American and European power cords, operates on universal voltage (100V–240V, 50/60 Hz), and is Energy Star compliant with 0.5W standby.
Details & Specifications
FREQUENCY RESPONSE
On Axis @ 0° ±3 dB: 30 Hz – 150 Hz (28 Hz per data sheet marketing description)
LF Cutoff -10 dB: 25 Hz
AMPLIFIER (INTERNAL AMPLIFIER)
Continuous Power: 350 Watts
Design: Analog Devices DSP & Texas Instrument Class-D Amp
LED Indicator: Red > Standby; Green > On
AC Fuse: T10AL 250V
ACOUSTIC DESIGN
Woofer (Nominal): 6.5" (152mm) Carbon Fibre Cone, High Density Rubber Surround, 1 1/2" (38mm) Voice-Coil, 36 oz (1030 g) Magnet, Steel Basket
Crossover: Variable 50 Hz – 150 Hz
Design Type: Sealed
LFE setting: (350 Hz)
SIZE (W x H x D)
Net W: 10.6 in / 270 mm
Net H: 11.4 in / 290 mm
Net D: 10.6 in / 270 mm
Gross W: 10.6 in / 270 mm
Gross H: 11.8 in / 300 mm
Gross D: 11.6 in / 295 mm
(Gross dimensions include knobs, speaker terminals, and feet)
WEIGHT
Net: 26.5 lb / 12 kg
Shipping: 30 lb / 13.6 kg
FINISH
Satin Black, Satin White (with polished aluminium trim)
FEATURES
Controls: Bass Level, Crossover, Phase Switch
Connections: High-level and low-level input, Gold-plated Stereo RCAs, Trigger Input, USB Power (wireless subwoofer receiver)
Subwoofer Activation Switch: Auto (signal sensing) / Trigger (12V) / On (always active)
Other: Universal Voltage (100V–240V, 50/60 Hz); North America and European power cords supplied; Auto On/Standby
Energy Star Compliance: 0.5W Standby
COUNTRY OF MANUFACTURE
Made in China
WARRANTY
1 Year Warranty (Amplifiers, Powered Speakers, and Subwoofers, per PSB Online Shop Warranty)