DS 440x4 - Receiver Taramp’s - Free user manual and instructions
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| Product Type | Car Audio Amplifier |
| Brand | Taramp's |
| Model | DS 440x4 |
| Category | Receiver (Amplifier) |
| Channels | 4 |
| RMS Power (4 ohms) | 75 W x 4 |
| RMS Power (2 ohms) | 120 W x 4 |
| Max Power (Total) | 440 W |
| Impedance Range | 2 - 8 ohms |
| Frequency Response | 20 Hz - 20 kHz |
| Signal-to-Noise Ratio | > 90 dB |
| Input Sensitivity | 0.2 V - 6 V |
| Dimensions (W x H x D) | 12.2 x 2.0 x 6.3 in (310 x 50 x 160 mm) |
| Weight | 4.2 lbs (1.9 kg) |
| Power Supply | 12 V DC (10 - 16 V) |
| Amplifier Class | Class A/B |
| Inputs | 2 pairs RCA, Speaker level input |
| Outputs | 4 speaker outputs |
| Protection Features | Thermal, Overload, Short Circuit |
| Cooling | Aluminum heatsink |
| Recommended Fuse | 40 A (AGU or ANL) |
| Color | Black |
Frequently Asked Questions - DS 440x4 Taramp’s
What gauge power wire should I use?
For the DS 440x4, use at least 8 AWG power and ground wire. The amplifier requires a 40A fuse.
Can I bridge channels 1 and 2?
Yes, bridge channels 1 and 2 for a single mono output. Connect the positive speaker wire to channel 1 positive terminal and negative to channel 2 negative terminal. Minimum impedance: 4 ohms.
How do I set the gain correctly?
Set the head unit volume to 75% of max. Turn the gain adjuster gradually until you hear distortion, then back off slightly. Use a multimeter or oscilloscope for precision.
What does the LED indicator mean?
A solid green LED indicates normal operation. Red LED means protection mode (short, thermal, or low impedance). Check wiring and ventilation.
Do I need a remote turn-on wire?
Yes, connect the remote terminal to the head unit's remote output (12V+ signal). Without it, the amplifier will not power on.
Can I use high-level speaker inputs?
Yes, the DS 440x4 accepts speaker-level inputs if your head unit lacks RCA outputs. Use the provided harness and connect to the amplifier's speaker-level input plug.
What is the minimum impedance per channel?
For stable operation, the minimum impedance per channel is 2 ohms in stereo mode. In bridged mode, minimum is 4 ohms.
Why is there no sound output?
Check the power connections, remote wire, and fuse. Ensure the head unit is sending a signal. Verify that the gain is not at minimum and the amplifier is not in protection mode.
How often should I clean the amplifier?
Dust the amplifier every few months. Use a soft brush or compressed air to clean the heatsink. Avoid liquids.
Can I mount the amplifier upside down?
Mount the amplifier with the heatsink fins facing upward for proper airflow. Upside-down mounting may cause overheating.
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USER MANUAL DS 440x4 Taramp’s
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Product information
Brand : Taramp’s
Model : DS 440x4
Category : Receiver