1. Introduction and Product Overview
The BLAUPUNKT AMP1604 is a 4-channel, full-range amplifier designed to enhance the audio system in your vehicle. This amplifier provides increased power output for both speakers and subwoofers, offering flexibility in configuring your car audio setup. It features a compact design suitable for various installation locations.
Figure 1.1: Top view of the BLAUPUNKT AMP1604 amplifier.
2. Safety Information
Please read all instructions carefully before installing and operating this amplifier. Failure to follow these instructions may result in damage to the amplifier, vehicle, or personal injury.
- Professional Installation Recommended: Due to the complexity of car audio systems, professional installation is recommended.
- Power Connections: Ensure all power connections are secure and properly fused to prevent short circuits and fire hazards. Disconnect the vehicle's battery before starting installation.
- Ventilation: Install the amplifier in a location that allows for adequate ventilation to prevent overheating.
- Wiring: Use appropriate gauge wiring for power, ground, and speaker connections.
- Moisture: Avoid exposing the amplifier to moisture or extreme temperatures.
3. Package Contents
Verify that all items are present in the package:
- BLAUPUNKT AMP1604 Amplifier
- User Manual (this document)
4. Product Features
The BLAUPUNKT AMP1604 amplifier includes the following key features:
- Amplifier Class: AB
- 4/3/2 Channel Operation
- Max. Output Power: 1600W
- RMS Power (4 Ohms): 55W x 4
- RMS Power (2 Ohms): 79W x 4
- Frequency Response: 10Hz - 30kHz
- Crossover Frequency: 50Hz - 250Hz
- Crossover Slope (dB/oct): 8-10dB/oct
- Signal-To-Noise Ratio: ≥96dB
- Voltage Supply: 11-15V DC
- Gain Adjust: 200mV ~ 8V
- Total Harmonic Distortion: ≤0.05%
- RCA Input: 4 Channel
- Fuse: 25A x 2
- Dimensions: 11 x 7.4 x 2.2 inches
Figure 4.1: Detailed features and specifications of the AMP1604.
5. Setup and Installation
Proper installation is crucial for optimal performance and safety. Consult a professional if you are unsure about any steps.
5.1 Mounting the Amplifier
- Choose a secure, dry location with adequate ventilation. Avoid mounting on carpet or in enclosed spaces without airflow.
- Ensure the mounting surface is strong enough to support the amplifier's weight.
- Use appropriate hardware to secure the amplifier firmly to prevent movement during vehicle operation.
5.2 Wiring Connections
Refer to the diagrams below for proper wiring connections. Always disconnect the vehicle's negative battery terminal before making any power connections.
Figure 5.1: Power and speaker terminal connections.
- Power (B+ / +12V): Connect to the positive terminal of the vehicle's battery using a heavy-gauge power cable. Install an inline fuse (not supplied) within 18 inches of the battery.
- Ground (GND): Connect to a clean, unpainted metal surface of the vehicle chassis. Ensure a solid electrical connection.
- Remote (REM): Connect to the remote turn-on lead from your head unit. This wire turns the amplifier on and off with the head unit.
- Speaker Outputs (CH1-CH4): Connect your speakers to the corresponding terminals. Observe correct polarity (+ and -).
- RCA Inputs (CH1-CH4): Connect RCA cables from your head unit's pre-amp outputs to the amplifier's RCA inputs.
- High-Level Inputs (HI INPUT): If your head unit does not have RCA outputs, use the high-level inputs. Connect speaker wires from your head unit directly to these inputs.
6. Operating Instructions
Once installed, adjust the amplifier settings for optimal audio performance.
Figure 6.1: Amplifier control panel.
- Input Mode (2CH/4CH): Select the input mode based on how many RCA input channels are connected from your head unit. If using 2 RCA inputs for all 4 amplifier channels, select 2CH. If using 4 RCA inputs, select 4CH.
- Gain Control (Min/Max): Adjust the gain control to match the output voltage of your head unit. Start with the gain at minimum and slowly increase it until the desired volume is achieved without distortion.
- Crossover Settings (HPF/LPF/FULL):
- HPF (High Pass Filter): Allows frequencies above the set point to pass through. Useful for speakers to prevent low bass distortion.
- LPF (Low Pass Filter): Allows frequencies below the set point to pass through. Useful for subwoofers.
- FULL: Allows all frequencies to pass through.
- Crossover Frequency (50Hz - 250Hz): Adjust the cutoff frequency for the HPF or LPF as needed for your speakers or subwoofers.
- Bass EQ (0dB - 18dB): Provides a bass boost at a specific frequency. Use sparingly to avoid distortion.
7. Maintenance
Regular maintenance helps ensure the longevity and performance of your amplifier.
- Cleaning: Periodically clean the amplifier's exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Connection Checks: Annually, inspect all wiring connections (power, ground, remote, RCA, speaker) to ensure they are secure and free from corrosion.
- Ventilation: Ensure that the amplifier's cooling fins are free from dust and debris to maintain proper heat dissipation.
8. Troubleshooting
If you experience issues with your amplifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Amplifier does not turn on | No power, blown fuse, faulty ground, no remote signal | Check power and ground connections. Verify inline fuse and amplifier fuses. Check remote wire connection and voltage. |
| No sound output | No input signal, speaker wires disconnected, amplifier in protect mode | Check RCA or high-level input connections. Verify speaker wire connections. Check for protect light; if on, troubleshoot power/ground/speaker shorts. |
| Distorted sound | Gain set too high, improper crossover settings, poor ground connection, damaged speakers | Reduce gain. Adjust crossover settings. Check ground connection. Inspect speakers for damage. |
| Amplifier overheats | Insufficient ventilation, impedance mismatch, gain too high | Ensure adequate airflow around the amplifier. Verify speaker impedance matches amplifier's capabilities. Reduce gain. |
9. Specifications
| Specification | Value |
|---|---|
| Manufacturer | Blaupunkt Audio |
| Model Number | AMP1604 |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Max. Output Power | 1600 Watts |
| RMS Power (4 Ohms) | 55W x 4 |
| RMS Power (2 Ohms) | 79W x 4 |
| Frequency Response | 10Hz - 30kHz |
| Crossover Frequency | 50Hz - 250Hz |
| Crossover Slope | 8-10dB/oct |
| Signal-To-Noise Ratio | ≥96dB |
| Voltage Supply | 11-15V DC |
| Gain Adjust Range | 200mV ~ 8V |
| Total Harmonic Distortion | ≤0.05% |
| RCA Input Channels | 4 |
| Fuses | 25A x 2 |
| Dimensions (L x W x H) | 11 x 7.4 x 2.2 inches |
| Item Weight | 7 pounds |
| ASIN | B09HL4QSCT |
| GTIN/UPC | 650076323314 |
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official BLAUPUNKT website. Keep your proof of purchase for warranty claims.
