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From dramatic distinction to dramatic design, Pioneer's new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality.
Variable HPF (High Pass Filter) allows for adjustable frequency between 40 Hz to 500 Hz* and greater car audio system flexibility according to subwoofer characteristics and personal listening preference.
Bass Boost featured in the GM-A6704 and GM-A5702 can be set to levels variably from 0 to 12 dB for optimal bass. This precise control can enhance the overall balance and impact of all sounds according to listening preference and music style. The GM-A5702 allows adjustment in three steps: 0 dB, 6 dB or 12 dB.
New Pioneer amps brilliantly integrate high-power performance superior to that of previous models in space-efficient sizes for flexibility of installation in various car cabins.
Pioneer amplifiers automatically select the proper input signal mode, either RCA or speaker level. When the receiver is turned on, the amplifier automatically turns on. When connected to an OEM receiver or a receiver without RCA output and utilizing speaker level output, the amp automatically senses the input mode and powers up in sync with the receiver. When connected to an OEM receiver or a receiver without RCA output using speaker wire the amplifier is turned on at the same time as the receiver. Pioneer's amplifiers automatically detect the input signal and select RCA level or speaker level.
| Number of Channels | 4 |
| Maximum Power Output | 1000W |
| Maximum Power Output at 4 Ω | 170W x 4 |
| Nominal Power (RMS) Output at 4 Ω | 60W x 4 |
| Frequency Response | 10Hz ~ 70kHz (+0dB , -3dB) |
| Signal-to-Noise (SN) Ratio | > 95dB |
| Amplifer Class | Class AB |
| Maximum Power Output at 2 Ω | 250W x 4 |
| Nominal Power (RMS) Output at 2 Ω | 95W x 4 |
| Nominal Power (RMS) Output - Bridged at 4 Ω | 190W x 2 |
| Total Harmonic Distortion (THD) | <0.05% ( 10W, 1kHz) |
| Fuse Rating | 25Ax2 |
| RCA Inputs | 4-CH |
| Crossover Type | Adjustable HPF/LPF |
| Low Pass Slope (dB/octave) | -12db/oct (A/B CH) |
| High-Pass Slope (dB/octave) | -12dB/oct |
| Bass Boost Level | 0/6/12dB |
| Hi-Volt Input Level Control | 0.3V to 6.5V (RCA in), 3.0V to 26V (SP in) |
| Load Impedance Allowance (W) | 2 to 4 |
| Protection Control System | Yes |
| Low-Pass Crossover Frequency | 80 Hz |
| High-Pass Crossover Frequency | 40-500 Hz |
| Bass Boost Frequency | 50Hz |
| Automatic Signal Sensing and Turn-On | Yes |
| Terminal Type | Screw |
| Bridgeable | Yes |
| Dimensions (WxHxD)(inches) | 356(W) X 60(H) X 215(D) mm |
| Color | Black/Red |
| Depth (in.) | 8.3811 |
| Width (in.) | 13.8879 |
| Height (in.) | 2.3361 |
| Amplifier Class | Class AB |
| Bluetooth Capable | No |
| Amplifier Channels | 4 |
| Impedance | 2 - 4 Ohms |
| Manufacturer Warranty | 1 Year |
| Water Resistant | No |
| Digital Input | No |
| Shallow Mount | No |
| Speaker Level Input | Yes |
| Height (cm) | 5.99 |
| Depth (cm) | 21.49 |
| Width (cm) | 35.61 |