ESX Audio
ESX QXB8A Quantum 8" Active Bass Reflex Subwoofer System
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Why choose this product?
The ESX QXB8A Quantum 8" Active Bass Reflex Subwoofer System is a compact active bass reflex subwoofer system with an integrated Class D Power4 amplifier module.
It is designed for installs where a separate amplifier would be too complex or space is limited, while still using a modern high-efficiency amplifier platform with high-level input, RCA input, automatic turn-on and a cable bass remote.
Key features
- 20 cm / 8 inch active bass reflex subwoofer system
- Integrated Class D Power4 active amplifier module
- 1 x 400 / 800 Watts RMS / max
- Low-pass filter 40 - 120 Hz at 12 dB
- Phase shift 0 / 180 degrees
- Bass boost 0 - 6 dB at 45 Hz
- RCA low-level input and high-level input
- Automatic turn-on by DC or signal
- Start-stop capable
- EPS PRO switchable input load
- Input sensitivity 15 or 40 volts, switchable
- Triple limiter function with clipping LED
- Cable bass remote controller
- Optional standing feet for downfire operation
- Dimensions 48 x 33 x 18 cm
Why choose this product?
The ESX QXB8A Quantum 8" Active Bass Reflex Subwoofer System is a compact active bass reflex subwoofer system with an integrated Class D Power4 amplifier module.
It is designed for installs where a separate amplifier would be too complex or space is limited, while still using a modern high-efficiency amplifier platform with high-level input, RCA input, automatic turn-on and a cable bass remote.
Key features
- 20 cm / 8 inch active bass reflex subwoofer system
- Integrated Class D Power4 active amplifier module
- 1 x 400 / 800 Watts RMS / max
- Low-pass filter 40 - 120 Hz at 12 dB
- Phase shift 0 / 180 degrees
- Bass boost 0 - 6 dB at 45 Hz
- RCA low-level input and high-level input
- Automatic turn-on by DC or signal
- Start-stop capable
- EPS PRO switchable input load
- Input sensitivity 15 or 40 volts, switchable
- Triple limiter function with clipping LED
- Cable bass remote controller
- Optional standing feet for downfire operation
- Dimensions 48 x 33 x 18 cm
Manufacturer features
- 20 cm / 8 inch active bass reflex subwoofer system
- Integrated Class D Power4 active amplifier module
- 1 x 400 / 800 Watts RMS / max
- Low-pass filter 40 - 120 Hz at 12 dB
- Phase shift 0 / 180 degrees
- Bass boost 0 - 6 dB at 45 Hz
- RCA low-level input and high-level input
- Automatic turn-on by DC or signal
- Start-stop capable
- EPS PRO switchable input load
- Input sensitivity 15 or 40 volts, switchable
- Triple limiter function with clipping LED
- Cable bass remote controller
- Optional standing feet for downfire operation
- Dimensions 48 x 33 x 18 cm
Technical overview
Power & electrical
- Sensitivity
- 15 or 40 V switchable
Driver & acoustic data
- Driver size
- 20 cm / 8 inch
Enclosure & installation
- Dimensions
- 48 x 33 x 18 cm
- Enclosure type
- Bass reflex active subwoofer system
Controls & inputs
- Low-pass filter
- 40 - 120 Hz at 12 dB
- Bass boost
- 6 dB at 45 Hz
- Inputs
- ["RCA low-level input","High-level input"]
Downloads
Need system-matching help?
Ask before ordering if the power, impedance or enclosure requirements are unclear.
Send the amplifier, available space and the subwoofer you are considering. We’ll reply in writing.