ATV420: Wires, Inputs & Outputs Explained

Introduction

The Rockville ATV420 is a 4-channel UTV and motorcycle Bluetooth amplifier, designed for high-performance audio. This guide breaks down each wire input and output, explaining its function and how to properly connect your amplifier.

Power & Ground Connections

To power the amplifier, connect the following:

• Red Wire (Power Cable) → Connects to the 12V positive terminal of your vehicle’s battery.
• Black Wire (Ground Cable) → Connects to the ground terminal of your battery.
• Blue Wire (ACC Remote/Ignition Wire) → Connects to the ignition system of your vehicle, ensuring the amplifier powers on when the vehicle starts.

Speaker Output Connections

The ATV420 supports four speaker channels, each with positive and negative terminals:

1. Channel 1 (Left Speaker)
   • White Wire (Plain) → Positive (+)
   • White Wire (Black Stripe) → Negative (-)
2. Channel 2 (Right Speaker)
   • Gray Wire (Plain) → Positive (+)
   • Gray Wire (Black Stripe) → Negative (-)
3. Channel 3 (Left Speaker)
   • Green Wire (Plain) → Positive (+)
   • Green Wire (Black Stripe) → Negative (-)
4. Channel 4 (Right Speaker)
   • Purple Wire (Plain) → Positive (+)
   • Purple Wire (Black Stripe) → Negative (-)

Wiring Options:

• Standard Setup → One 2-ohm speaker per channel OR two 4-ohm speakers per channel.
• Bridged Setup → Bridge two channels together to power a 4-ohm subwoofer.

RCA Inputs for Head Units & Receivers

The ATV420 features RCA inputs for channels 1 & 2 and channels 3 & 4, allowing you to connect a head unit or receiver.

To connect:

1. Use RCA cables to link the RCA outputs of your head unit to the RCA inputs of the amplifier.
2. Adjust the input voltage switch:
   • Low Setting → For aftermarket head units with pre-amp RCA outputs.
   • High Setting → For factory radios, using high-level speaker wire adapters.

Conclusion

Clear breakdown of each wire input and output
Supports multiple wiring configurations
Easily integrates with head units and Bluetooth devices

Now you’re ready to connect your ATV420 for powerful audio performance.