Balanced Audio Control with Premium Performance

The Fosi Audio ZP3 is a compact balanced preamplifier designed to deliver clean, transparent sound for both professional and home audio systems. With support for both XLR and RCA inputs and outputs, it provides flexible connectivity in any setup, whether you're integrating active speakers or a power amplifier.

Clean Gain with Dual Mono Design

Built with high-quality op-amps and a fully balanced internal architecture, the ZP3 ensures minimal signal degradation and high dynamic range. Independent left and right channel paths improve stereo imaging and reduce crosstalk.

Precision Volume and Tone Control

Equipped with smooth potentiometers, the ZP3 offers precise control over volume, bass, and treble, letting you tailor the output to your taste or room acoustics. A dedicated gain switch allows further signal adjustment for optimal pairing with downstream gear.

Features

• Fully balanced XLR and unbalanced RCA inputs and outputs
• High-performance op-amps for low noise and distortion
• Independent channel design with dual mono layout
• Adjustable gain switch for input level optimization
• Dedicated bass and treble tone controls
• Aluminum alloy chassis with compact footprint
• Ideal for use with active speakers or external power amps

Specifications

• Model: ZP3
• Inputs: 1 × Balanced XLR, 1 × Unbalanced RCA
• Outputs: 1 × Balanced XLR, 1 × Unbalanced RCA
• Input Sensitivity: 2 Vrms (XLR), 1 Vrms (RCA)
• Output Voltage: 6.5 Vrms max (XLR), 3.2 Vrms max (RCA)
• Frequency Response: 20 Hz – 50 kHz (±1 dB)
• S/N Ratio: ≥ 110 dB
• THD+N: < 0.0005% (1 kHz)
• Tone Control: ±10 dB Bass & Treble (centered at ~100 Hz and ~10 kHz)
• Gain Switch: +6 dB / 0 dB
• Power Supply: 24 V DC
• Dimensions (W×H×D): 120 × 35 × 115 mm
• Weight: 0.6 kg