Description
MB Quart QA1-1500.1D Q-Series 1500 Watt Monoblock Subwoofer Amplifier
SKU: MBQ-QA1-1500.1D
Category: Q-Series Amplifier / DSP
The MB Quart QA1-1500.1D Q-Series Monoblock Subwoofer Amplifier is a high-output Class D amplifier designed specifically for powerful, clean low-frequency performance in demanding car audio systems. Engineered for efficiency and thermal stability, it delivers strong, controlled bass output while maintaining clarity and reliability under heavy load conditions.
With up to 1500 watts maximum output, this monoblock amplifier is optimised for driving subwoofers in both sealed and ported enclosure configurations. Its high-current design supports low-impedance operation, making it suitable for performance bass systems where consistent power delivery is critical.
The integrated Q-Stasis preamplifier stage reduces incoming signal noise, improving overall sound clarity and reducing distortion from factory or aftermarket head units. A built-in low-pass filter and adjustable bass boost allow precise tuning of subwoofer response, while the included remote bass control provides real-time level adjustment from the driver’s position.
Key Features:
Monoblock Class D subwoofer amplifier
1500W maximum output power
1 x 750W RMS @ 4 ohms
1 x 1100W RMS @ 2 ohms
1 x 1500W RMS @ 1 ohm
Variable low-pass filter: 40Hz – 150Hz
Bass boost adjustment: 0 – 12dB
Switchable subsonic filter (27Hz)
High-efficiency Class D design for reduced current draw
Q-Stasis preamp stage for reduced noise and improved clarity
Wired bass remote control included
High current 4 AWG power input terminals
Heavy-duty thermal and overload protection circuitry
Technical Specifications:
Amplifier Class: Full Range Class D
Channels: Monoblock
Max Power: 1500 watts
RMS Power @ 4 ohms: 750W
RMS Power @ 2 ohms: 1100W
RMS Power @ 1 ohm: 1500W
Frequency Response: 10Hz – 178Hz
Signal to Noise Ratio: >106dB
Total Harmonic Distortion: 1.0%
Low Pass Filter Range: 40Hz – 150Hz
Subsonic Filter: 27Hz (switchable)
Input Voltage Range: 0.3 – 6V
Power Input: 4 AWG
Speaker Output: 12 AWG
Fusing: 3 x 35A Mini ATC
System Integration:
The QA1-1500.1D is designed to integrate seamlessly with multi-amplifier systems, particularly when paired with MB Quart DSP-enabled amplifiers such as the QA1-900.6DSP. Its optimised signal architecture ensures stable subwoofer performance and precise low-frequency control in both OEM upgrade and custom installation environments.
