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Fosi Audio ZP3 Preamplifier with 3-in/3-out XLR/RCA/SUB OUT HiFi Preamp with HPF High Pass Filter Tone Control
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£197.00
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£294.00
China Mainland
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SPECIFICATIONS
Brand Name: Fosi Audio
Channels: 2 (2.0)
FOSI AUDIO Model: ZP3
High-concerned chemical: None
Maximum Power Per Channel: NO POWER
Origin: Mainland China
Package: Yes
TIPS ：
1.Please pay attention to whether the power plug you have selected is correct when placing an order
2.The 2026 edition of the ZP3 orange knob will no longer feature a dot.
Feature
1.Home Audio Control Hub
Features 3-in-3-out options for connecting up to three audio sources. Includes a remote control for one-touch input switching and volume adjustment—making it easy to manage your home audio system with freedom
2.Versatile Connectivity
Equipped with RCA1/RCA2/XLR inputs and RCA/XLR/Sub-Out outputs, the ZP3 integrates multiple devices with ease. Supports balanced XLR in/out for cleaner sound, plus RCA/XLR signal conversion for maximum compatibility
3.Audiophile-Grade Components
Built with premium parts including ELNA capacitors, NJR NJU72315 volume IC, and gold-plated RCA jacks. These components reduce noise and distortion, delivering exceptional clarity and high-fidelity performance
4.Adjustable High-Pass Filter
Three-level HPF settings filter low-frequency signals from the RCA/XLR outputs, sending only mids and highs to main speakers while routing bass through the SUB-OUT—enhancing clarity, detail, and overall sound balance
5.Flexible Sound Customization
Includes bass/treble control with bypass function, and L/R balance knobs for personalized adjustment. Volume memory remembers settings for each input source—giving you a smarter, more convenient audio experience tailored to your taste
Specification
Product model: ZP3
Channel: 2.0
Input interface: RCA x2, XLR
Output interfaces: RCA, XLR, SUB
High and low frequency adjustment range: high frequency (± 6dB), low frequency (± 12dB)
Frequency response:
XLR/RCA
20Hz-20kHz (±0.2dB)
80Hz-20kHz (±0.2dB)
120Hz-20kHz (±0.2dB)
SUB
20Hz-200Hz (±0.2dB)
Input current and voltage: AC 110-240V
Balance line output performance parameters (XLR):
Signal to noise ratio ≥ 112 dB
Dynamic range ≥ 112 dB
Distortion ≤ 0.0007%
Noise ≤ 6 μ V
Single ended line output performance parameters (RCA):
Signal to noise ratio ≥ 115 dB
Dynamic range ≥ 115 dB
Distortion ≤ 0.0008%
Noise ≤ 4 μ V
QA:
Q1:Why aren't the bass and treble knobs working?
Bypass mode may be enabled — in this mode, the signal bypasses the tone control circuit.
Q2:Which operational amplifiers can be replaced in the ZP3?
Burson V7V, TI LME49720, JRC4580D, MUSES02, Sparkos SS3602, etc.
Q3:Is the volume knob on the ZP3 an electric potentiometer or an encoder?
The volume knob is a rotary encoder that can rotate 360°, but the volume reaches a maximum limit and further rotation does not increase the volume.
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