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Product Descriptions
Product Descriptions
MB Quart RA1-750.1 Reference 750 Watt Mono Block Amplifier
MB Quart Reference series mono subwoofer car audio amplifier featuring innovative sound quality and power technology. The RA1-750.1 is a 750 watt 1 ohm stable car audio amplifier. Reference amplifiers feature DC Sensing to allow any amplifier to be easy integrated into an OEM system by simply adapting a RCA cable from the source unit. Bass remote is included.
Power your bass
MB Quart's Reference Series RA1-750.1 mono subwoofer amplifier can send up to 750 watts RMS to your sub, so you can hear and feel the beat clearly down to your bones . MB Quart designed this amp to power high-quality aftermarket subs, like their Reference Series subwoofers. The Class D amplifier utilizes MB Quart's unique Q-Stasis (Class SQ) circuitry to improve the accuracy and clarity of your music while still providing the oomph it needs.
Versatile features
The amplifier's features include speaker-level inputs with signal-sensing amp turn-on, so it will work in almost any system. A low-pass filter, subsonic filter, and a bass boost EQ help dial in just the right amount of bass bump. A remote bass knob is included so you can control your subwoofer's level from the front seat.
Low Noise Preamplifier Circuit
Q-Stasis Pre Amplifier Stage: Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortion.
RCA Inputs
Nickel-Plated: High temperature impact resistant with hex screw terminals that allow for secure connections and is erosion resistant.
High Level Inputs
See Auto-Sense Feature.
Operation Mode
Mono only
Crossover Type
Variable electronic crossovers allow for complete control of the sound.
Electronic Equalizer
Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers. Check specifications for specific frequencies for this amplifier.
Class / Topology
Class Q1 Mono (Class D): MB Quart’s Class Q1 offers the efficiency of today’s D-Class with increased engineering to focus on sound quality from the power supply through the output devices, the FLUID-FETS.
Output Device Technology
FLUID-FETS: MB Quart output devices, FLUID-FETS are painstakingly selected for their ability to efficiently produce power and mimic the sound quality of the highest end home amplifiers.
Heat Sink
Aluminum: Quickly dissipates heat to allow the amplifier to run lower impedance for longer duration.
Power Supply
Rugged MOSFET Pulse Width Modulation power supply: Allows amplifier to product efficient power without taxing the vehicle electrical system.
Output Connections
Heavy duty connections allow for secure electrical signal to pass into wiring and resist erosion which will add longevity to the amplifier.
Connection Type
Secure connection for all power, ground and speaker connections.
Bass Remote Included
Included: Wired Bass Remote allows adjustments to bass frequencies to be made from the control mounted anywhere in the vehicle.
Auto Turn-On
DC SIGNAL SENSE: The DC SIGNAL SENSE switch will allow the amp to turn on when a signal is received on the RCA inputs, so an amplifier remote turn on wire is not needed to turn on the amplifier. This feature can also be turned off.