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The Quested SB15 is a passive bass-reflex subwoofer for film production professionals, reproducing the full range of low frequencies in modern soundtracks – from the most delicate detail to high-impact effects – down to 20 Hz.
It uses a custom 15″ drive unit with a 4″ voice coil and a 3.5 kg magnet assembly, rated at 2,000 W peak power. The cage-style cabinet is built from 30 mm plywood and stays extremely rigid even under high impulse energy, keeping the bass tight and controlled. Despite its output, the cabinet remains compact enough for discreet placement.
Key features:
- Passive bass-reflex subwoofer
- Custom 15″ driver, 4″ voice coil, 3.5 kg magnet, 2,000 W peak
- Frequency response 20 – 200 Hz
- Sensitivity 91 dB @ 1 W / 1 m, 8 Ω
- Maximum SPL 121 dB continuous pink noise
- Rigid cage-style cabinet of 30 mm plywood
- 582 × 685 × 415 mm, 44 kg
Recommended amplification:
The SB15 was developed hand-in-hand with the Quested SBC800 amplifier / bass controller and can also be driven by stand-alone amplifiers such as the AP950-2.
Applications:
LFE and bass extension in film mixing rooms, cinemas, post-production suites and larger music studios. Custom configurations, such as low-profile versions for placement under screens, are available on request.
- Type: passive bass-reflex subwoofer
- Driver: 1× custom 15″ (4″ voice coil, 3.5 kg magnet, 2,000 W peak)
- Frequency response: 20 – 200 Hz
- Sensitivity: 91 dB @ 1 W / 1 m
- Impedance: 8 Ω
- Max SPL: 121 dB continuous pink noise
- Cabinet: cage-style, 30 mm plywood
- Recommended amplifier: SBC800 or AP950-2
- Dimensions (W×H×D): 582 × 685 × 415 mm (+15 mm with feet)
- Weight: 44 kg
