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Fosi Audio ZA3 Stereo Amplifier and ZP3 Preamp Bundle

Fosi AudioPart # 235-295

The Fosi Audio ZA3 and ZP3 bundle pairs a balanced stereo/mono power amplifier with a balanced preamplifier for a compact home audio control-and-amplification system. Together, they combine flexible source switching, balanced XLR connectivity, subwoofer integration, stereo or mono amplifier operation, and system-friendly control features for a more adaptable 2-channel setup.

Key Features

  • Three inputs and three outputs make it easier to connect multiple source components and route signal through a more complete stereo system
  • RCA and XLR input support on the preamp gives you more flexibility when matching different source devices
  • Three-level high-pass filtering helps route lows to the sub output while keeping mids and highs on the main speaker outputs
  • Bass, treble, bypass, and left/right balance controls give you more direct control over system voicing
  • Stereo and mono mode switching lets the amplifier adapt more easily to different system layouts
  • Balanced XLR input on the amplifier supports cleaner integration with compatible upstream gear
  • 12V trigger connectivity helps coordinate power control between the preamp and amplifier
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Overview

Fosi Audio ZA3 Stereo Amplifier and ZP3 Preamp Bundle

Fosi Audio ZA3 Stereo Amplifier and ZP3 Preamp Bundle

Stereo & Mono

The next generation balanced dual-mode Class-D power amplifier, Fosi Audio's first amplifier supporting both stereo and mono modes.


A Versatile Control Hub for Home Audio

Tailor your audio system with 3 inputs/outputs, a high-pass filter (HPF), and tone controls. The included remote allows one-touch input switching and volume adjustment, while volume memory saves your preferred audio settings.


Amplifying Your Voice, Shaping Our Innovation

At Fosi Audio, every innovation has a story, and the creation of the ZA3 amplifier is one rooted in our users' voices. After releasing the V3 amplifier, we received extensive feedback from dedicated audiophiles. Many urged us to develop an even more advanced amplifier building on the foundation of the V3.


Flexible Sound Customization

Bass and treble bypass, plus left/right balance adjustment. Per-input volume memory adds more personalized and intuitive audio control.



Specifications

ZA3 Balanced Stereo Amplifier

  • Chip Set: Texas Instruments TPA3255 
  • Output Power:
    -With 48V/5A PSU Stereo; 155Wx2 @4Ω; Mono: 235Wx1 @4Ω
    -With 32V/5A PSU Stereo; 95Wx2 @4Ω; Mono: 110Wx1 @4Ω
  • Terminating Impedance: 2-8Ω
  • Input Mode: RCA, XLR, 1/4" TRS 
  • Output Mode: Speaker Output (supports banana plug or bare wire connection), Active Subwoofer Output 
  • Frequency Range: 20Hz - 20KHz(±0.1dB) 
  • SINAD: 89dB
  • THD:<0.006% 
  • SNR: ≥106dB 
  • Dynamic Range: ≥106dB 
  • Device Dimension: 15.49 x 18.39 x 5.08 cm; 1.78 Kilograms 
  • DC Input Range: 24-48V 
  • Power Supply: 32V/5A, 48V/5A

ZP3 Preamplifier

  • Channel: 2.0 
  • Input: RCA x2, XLR 
  • Output: RCA, XLR, SUB 
  • Bass and Treble Control Range: Treble: ±6dB,Bass: ±12dB 
  • Input Voltage Range: AC 110-240V
  • Frequency Response
    XLR/RCA:
      -20Hz-20kHz (±0.2dB)
      -80Hz-20kHz (±0.2dB)
      -120Hz-20kHz (±0.2dB)
    SUB: 20Hz-200Hz (±0.2dB) 
  • Balanced Output (XLR):
    -SNR: ≥ 112 dB
    -Dynamic Range: ≥ 112 dB
    -THD+N: ≤ 0.0007%
    -Noise Floor: ≤ 6μV
  • Single-Ended Output (RCA):
    -SNR: ≥ 115 dB
    -Dynamic Range: ≥ 115 dB
    -THD+N: ≤ 0.0008%
    -Noise Floor: ≤ 4μV

Product Details

BrandFosi Audio
Part Number235-295
UPC848864082479
Weight6.97

Product Specifications

Power (RMS/Channel 8 ohms)51 - 100 Watts
Weight Range< 10 lbs.
Special FeaturesBridgeable

Specifications

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