Description

Sundown Audio HZ-80.4
The Horizon HZ-80.4 is a powerful and efficient 4-channel amplifier designed to deliver clean, dynamic sound for car audio systems. Engineered for full-range performance, it is ideal for driving door speakers, component sets, or small subwoofer setups in multi-channel configurations. With stable output, low distortion, and efficient heat management, the HZ-80.4 ensures consistent and reliable performance even during extended listening sessions. Its compact yet robust design makes it suitable for both daily-driven vehicles and professional audio installations where clarity and control are essential.
Features
- RMS Power @ 14.4V
• 4 Ohm: 80W x4
• 2 Ohm: 130W x4 - High Pass Filter (CH1-4): 27Hz – 250Hz
- Low Pass Filter (CH1-4): 27Hz – 250Hz
- Input Sensitivity: Up to 6V
- Signal-to-Noise Ratio: 95dB
- Fuse Rating: 50A
- Dimensions: 7.4″ x 4.63″ x 2.2″
- Weight: 2.54 lbs (1.15 kg)
About The Product
The HZ-80.4 is your go-to solution for adding clean, controlled power across your mids and highs. With 80 watts RMS x 4 channels at 4 ohms, it’s the perfect amp for speaker upgrades, active component setups, or small subwoofers that need headroom without the distortion. This amp runs cool and clean — and with its compact chassis, it fits just about anywhere.
The Horizon Series amps don’t cut corners. This model includes adjustable high and low pass filters on all four channels, a full-range passthrough option, and high-level input capability to simplify factory integration. Run it passive or active — bridge it for bigger loads the HZ-80.4 gives you maximum control and Sundown-grade output from a surprisingly small form factor.
Whether you’re upgrading a factory system or building something fresh, the HZ-80.4 gives your sound system the foundation it needs to shine. Clean mids, crisp highs, tight control.


























Reviews
There are no reviews yet.