Car Audio System - Alpine - PMX F640

• Amplifier Type: Class-A/B
• Channel Design: 4/3/2 Channel
• Thermal Control: Thermal Management Control
• Power Supply: DC-DC PWM Power Supply
• Power Supply Design: MOSFET Power
• Board Circuitry: STAR Circuitry
• Current Protection: Over-Current, Over-Voltage and Thermal Protection
• Power Indicator: Top Mounted Blue LED Power Indicator
• RCA Output: Gold Plated RCA Input Connectors
• Speaker-Level Inputs: Speaker Level Inputs
• Crossover: Selectable Low-Pass / High-Pass
• Connector Plating: Gold Plated Input, Output, Power and Speaker Terminals
• Pre-Amp Stage: Discrete
• Final Outputs: Non-Fading Pre-Amp Output
• Gain Control: Continuously Adjustable Gain Control

Power Output Ratings

• Total Max Power: 640W
• Per Channel into 4ohms (≤1%THD+N): 4 x 50W
• Per Channel into 2ohms (≤1%THD+N): 4 x 75W
• Bridged into 4ohms (≤1%THD+N): 2 x 150W

Sound Tuning

• Crossover Frequency (Fix, OFF/LPF/HPF Selectable) 1/2 ch: 80 Hz (-18dB/oct)
• Crossover Frequency (Fix, OFF/LPF/HPF Selectable) 3/4 ch: 80 Hz (-18dB/oct)
• EQ (Equalizer): Bass EQ Fixed Frequency 50 Hz _ Selectable Gain 0/+6/+12 dB (3/4ch)

Dimensions

• Footprint: 270 mm x 60 mm x 242 mm