Alpine MRX-V70

MRX-V70 - 5 Channel Digital AmplifierThese digital powerhouses are so efficient, they’re much more compact than you expect. Advanced thermal protection means you can play them loud and the music never stops.All Digital LineupThe X-Power series uses much of the same digital technology as the PDX series, achieving high efficiency with excellent audio performance, including low distortion, high damping factor and high S/N ratio.Easily Upgrade Any SystemSpeaker Level Inputs let you connect these amps directly to factory-installed head units that do not have preamp outputs, so you can upgrade the original system with higher power and better speakers.Remote SensingThe remote sensing function turns the power on automatically when the amp detects an incoming audio signal. There is no more need for an extra remote line.  Smaller FootprintPDX digital technology means high efficiency, so the X-Power amps are up to 29% more compact than previous models, making installation even more convenient.Effective Heat ProtectionIf interior heat reaches unacceptably high levels, a Thermal Protection circuit decreases power in two steps rather than interrupting the music. It also provides over-voltage and overcurrent protection.Remote Control Bass Knob (RUX-KNOB)Simply add the RUX-KNOB (sold separately) and get full control from the dash for instant bass adjustment. You also get the ability to control multiple amps from just one controller with simple telephone cord adapters.   FEATURESInstallation Terminal Layout: Two-Sided Screw Mount / Wire Cover: Integrated Wire and Mounting Screw TerminalsGeneral Amplifier Type: Class-D (Digital) Channel Design: 4 Channel + Subwoofer Thermal Control: Thermal Management Control Power Supply: MOSFET Power Supply Design: DC-DC PWM Power Supply Board Circuitry: S.T.A.R. Circuitry Current Protection: Over-Current, Over-Voltage and Thermal Protection Power Indicator: Top Mounted Blue LED Power Indicator 4-Channel Speaker Level Input Crossover: Variable Lowpass & Highpass Filter Built-in Bass EQ Built-in Subsonic Filter Final Outputs: Direct FET Board Design: 6-layer Glass Epoxy PC Board Continuously Adjustable Gain Control Remote Bass Control ( RUX-KNOB sold separately )SPECIFICATIONSMax Power Output Ratings Max Power: 1200WRMS Power Ratings Per Channel into 4ohms, 14.4V (≤1%THD+N): 4 x 50W + 200W Per Channel into 2ohms, 14.4V (≤1%THD+N): 4 x 75W + 300W Bridged into 4ohms, 14.4V (≤1%THD+N): 2 x 150WSound Tuning Crossover Frequency (LPF): 50 - 400Hz (-24dB/oct.) for Subwoofer Crossover Frequency (HPF): 50 - 400Hz (-12dB/oct.) for CH-1/2/3/4 EQ (Equalizer): Bass EQ (fc=50Hz) 0 to +12dB Subsonic: OFF / 5 - 30Hz (-24dB/oct.)Dimensions Heat Sink: 210 x 58 x 230 mm Footprint: 270 x 58 x 230 mmGeneral Power Requirements: 14.4V DC (11 - 16V) Input Sensitivity (RCA Input): 0.1 - 4.0V Input Sensitivity (Speaker Level Input): 0.5 - 10V Input Impedance: >10k ohms Frequency Response (+0, -3dB: 1W into 4 ohms) for CH-1/2/3/4: 5Hz - 45kHz Frequency Response (+0, -3dB: 1W into 4 ohms) for Subwoofer: 5 - 400Hz Frequency Response (+0, -1dB: 1W into 4 ohms) for CH-1/2/3/4: 7Hz - 30kHz Frequency Response (+0, -1dB: 1W into 4 ohms) for Subwoofer: 10Hz - 300Hz THD+N (10W into 4 ohms) for CH-1/2/3/4: 0.02% THD+N (10W into 4 ohms) for Subwoofer: 0.008% THD+N (Rated Power into 4 ohms) for CH-1/2/3/4: 0.07% THD+N (Rated Power into 4 ohms) for Subwoofer: 0.04% Damping Factor for CH-1/2/3/4: >500 Damping Factor for Subwoofer: >1000 Signal to Noise (Rated Power into 4 ohms) for CH-1/2/3/4: 103dB Signal to Noise (Rated Power into 4 ohms) for Subwoofer: 107dB Remote Level: 0 to -20dB ( RUX-KNOB Required ) Weight: 2.8kg
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