The Phoenix Gold ZDA4.8 is a compact 4-channel amplifier with an integrated 8-channel Digital Signal Processor providing precise tuning and clean power. It delivers 4 x 60W RMS at 4 Ohm and 4 x 90W RMS at 2 Ohm and supports professional calibration via PC-based DSP software.

Inputs include high-level and low-level connections with auto turn-on for OEM systems. The amp retains factory features such as fade, balance, and warning tones, and fits under seats or behind dashboards. An optional Bluetooth streaming module is available separately.