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Alpine S-A32F S-SERIES 4Channel Amplifier


Alpine S-A32F S-Series 4Channel Amplifier

  • 55W X 4 [4Ω@14.4V]
  • 80W X 4 [2Ω@14.4V] 
  • 160W X 2 [4Ω@14.4V] 
  • Sierra-Lo Digital Design 
  • Thick Heat Sink 
  • Sub Heat Sink 
  • LC Filter 
  • Thick Terminal 
  • Narrowing Terminal Part


Sound Garage, your Car Stereo Specialist in Brisbane’s Northern Suburbs.

Alpine S-A32F

S-SERIES 4 Channel Amplifier

The all-new Alpine S-A32F S-Series 4CH amplifier – a perfect match to the new S-Series speakers. This amplifier has an excellent Watts-per-dollar ratio in the Class-D category, features a very high heat resistance and won’t shut down due to overheating. It also features excellent sound quality in it’s price range.

The Alpine S-Series Sound Components

Three new Alpine S-A32F S-Series amplifier joins the S-Series family, known for reliable performance and value-oriented products. All three S-Series amps (mono, 4-channel and 5-channel) contain technology currently implemented in R and X-Series models. The Alpine S-Series amps feature attractive prices and are designed to perform perfectly with the existing S-Series speakers.

Alpine S-A55V_5-Channel-Amplifier

All Digital Design

Compact and Powerful: the new digital amplification circuit allows high power output while keeping a small footprint.

The Alpine S-A32F measures just 204mm in width x 204mm in length for easy installation in virtually any vehicle.

Thermal Protection

Along with Alpine’s new intelligent amplifier platform, the new S-Series amplifiers feature an improved heat sink and protection circuit design that eliminates thermal shut-down, for dependable music playback.

Alpine S-A32F-Left Alpine S-A32F-Right

One-sided Cable Terminals

The speaker and power cable terminals are conveniently located on the left side of the amplifier to allow a clean installation.

The power cable terminals accept heavy gauge cables.

Low/High-Power Speaker Signal Inputs

The 4-Channel RCA speaker signal inputs accept low and high-power signals. This makes it easy to connect the Alpine S-A32F directly to your original car stereo, regardless of your head unit’s power output (RCA connectors with open cable leads are available separatly).

Alpine RUX-KNOB.2 Alpine S-A32F

Control Your Subwoofer

You can connect the Alpine RUX-KNOB2 remote bass knod (optional available) to the Alpine S-A32F to controll the subwoofer level straight from your dash (applicable for channel 3+4 in bridged mode for subwoofer usage).

High-Pass / Low-Pass Filter

With this filter switch you can assign the amplification channel (pair) to be used for door speakers or a subwoofer. You can then adjust the cut-off frequency for more precise tuning.


Alpine S-A32F – Features:

Alpine S-A32F – Specifications:


  • Terminal Layout: One side
  • Small footprint for easy installation
  • Screw terminals (for speaker and power cables)


  • Amplifier Type: Class-D (Digital)
  • Channel Design: 4/3/2 Channel
  • Thermal Management Control
  • Top Mounted LED Power/Status Indicator
  • Speaker Level Input with remote turn on
  • Crossover: Adjustable Low-pass (LPF) / High-pass Filter (HPF)
  • Gain Control: Adjustable
  • Bass Control: Remote Bass Control (RUX-KNOB.2) Ready
Max Power Output Ratings

  • Total Max Power: 640W

RMS Power Ratings

  • Per Channel into 2 Ohms, 14.4V (≤1%THD+N): 4 x 80W
  • Per Channel into 4 Ohms, 14.4V (≤1%THD+N): 4 x 55W
  • Bridged into 4 Ohms, 14.4V (≤1%THD+N): 2 x 160W

Sound Tuning

  • Crossover: Variable LPF, 50-400Hz (-12dB/oct )
  • Crossover: Variable HPF, 50-400Hz (-12dB/oct )


  • Power Requirements: 14.4 V.DC (9 – 16 V allowable)
  • Input Sensitivity (RCA Input): Hi: 0.5 – 10 V Lo: 0.2 – 4.0 V
  • High Level Input with automatic power on
  • Cable size: Power Cable AWG 8, SPK Cable AWG 10
  • Frequency Response (+0, -3dB: 1W into 4 ohms) for CH-1/2/3/4: 10Hz – 30kHz
  • THD+N (@ 10W into 4 ohms): <0.03%
  • THD+N (@ 50W into 4 ohms): <0.08%
  • Damping Factor: >100
  • Signal to Noise (@ 50 Watts into 4 Ohms): >98dB
  • Weight: 1.9 kg


  • Heat Sink (WxHxD) mm: 204 x 58 x 204

Warranty as per Alpine Electronic Australia’s Term and Conditions


Sound Garage, your Authorised Alpine Electronics Dealer, Stockist and Installation Centre.


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