Alpine PDX-F6 amplifier

Alpine 4/3/2 Power Density Digital Amplifier


This audiophile range of PDX series amplifiers are designed and engineered for ultimate sound quality, power, performance and reliability.

These sleek and stylish amplifiers have been re-designed from the ground up to deliver an amplifier range that not only look amazing, they perform flawlessly.

Incorporating new technology to maximise sonic quality, the new PDX amplifiers deliver extremely low distortion levels, wide bandwidth and industry leading S/N ratios. The new PDX amplifiers have an exceptionally high damping factor, more than 500 for the 4-channel PDX-F6. What’s more, the all-new PDX amplifiers are 20% smaller than the first generation models and their unique stacking design allows for a large multi amplifier system to be installed virtually anywhere.

These new PDX amplifiers are for the true car audio enthusiast, providing exceptional sound quality and performance.


Connectors: Quick Disonnect Terminals (Power Terminal and Speaker Terminals)
Terminal Layout: One-Sided
Mounting Design: Easy Stacking and Clean-look installation

Amplifier Type: Class-D (Digital)
Channel Design: 4/3/2 Channel
Thermal Protection:
Low-battery Protection:
Power Supply Design: DC-DC PWM Power Supply
Board Circuitry: STAR Ciruit
Current Protection: Auto Over-Current Protection
Power Indicator: Top Mounted Blue LED Power/Status Indicator
Crossover: Adjustable High-Pass, Low-Pass
Pre-Amp Stage: Discrete
Board Design: 6-Layer Glass Epoxy PC Board
Gain Control: Adjustable


CEA-2006 Power Ratings
CEA-2006 Power Rating: (4/2 I?@14.4V ?%THD+N), S/N 96dBA (Ref. 1W into 4 I?): 150W x 4

RMS Power Ratings
Per channel into 4 Ohms: (@14.4V ?%THD+N) 150W x 4
Per channel into 2 Ohms: (@14.4V ?%THD+N) 150W x 4
Bridged 4 Ohms: Bridged 4 I?: 300W x 2 (?% THD+N)

Sound Tuning
Crossover Frequency (LPF): Variable, 30-400Hz (-12dB / oct ), Low-Pass/High-Pass/OFF Selectable

Heat Sink (WxHxD) mm: 257mm x 192mm x 50.8mm

Power Requirements: 14.4V DC (11V to 16V)
Input Sensitivity (RCA Input): 0.2V to 4.0V (For Rated Power)
Cable size: 4 AWG (BATT and GND), 12 AWG (Remote), Up to 8 AWG (Speaker)
Frequency Response (+0, -3dB: 1W into 4 Ohms) for CH-1/2/3/4: 5 Hz – 100 kHz / 0 dB ~ -3dB (Reference: 1 W into 4 ohms)
Frequency Response (+0, -3dB: 1W into 4 Ohms) for Subwoofer: 4 or 2 I?
Frequency Response (+0, -1dB: 1W into 4 Ohms) for CH-1/2/3/4: CEA 2006 S/N Ratio (IHF A Weighted, Reference: 1W into 4I?) 96 dBA


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