Fosi Audio Box X5 Phono Preamplifier

Bring your vinyl collection to life with the Fosi Audio Box X5, a precision-engineered phono preamplifier designed for audiophiles who demand accurate sound reproduction. Supporting both Moving Magnet (MM) and Moving Coil (MC) cartridges, the Box X5 offers multiple gain settings, ultra-low noise performance, and high-grade components to ensure a clean, powerful signal from your turntable to your amplifier.

Key Features:

• MM and MC Compatibility: Effortlessly switch between MM and MC cartridges using the rear toggle for maximum flexibility in your setup.
• Adjustable Gain Settings: Four gain levels (38 dB, 48 dB, 56 dB, 66 dB) let you optimize the signal for a wide range of cartridges.
• Accurate RIAA Equalization: Delivers true-to-source vinyl playback with a frequency response of 20Hz–20kHz and minimal deviation of ±0.015 dB.
• Premium Components: Built with precision OPA1612 op-amps, 2% polymer film capacitors, 0.1% resistors, and gold-plated RCA connectors to maintain signal purity.
• Compact and Durable: Rugged aluminum alloy chassis ensures both protection and style in a sleek, minimalist design.

Specifications:

• Cartridge Support: Moving Magnet (MM) and Moving Coil (MC)
• Input: RCA (switchable MM/MC)
• Output: RCA
• Gain Settings: 38 dB, 48 dB, 56 dB, 66 dB
• Input Impedance:
  • MM: 47 kΩ
  • MC: 100 Ω
• Output Impedance: 10 kΩ
• Noise Level: 37 μV (with 38 dB gain, 5 mV input)
• Frequency Response: 20Hz – 20kHz (±0.015 dB)
• Power Input: AC 16V

Dimensions & Weight:

• Size: 4.1 x 3.3 x 1.2 inches
• Weight: Approximately 1.1 lb

What’s Included:

• Fosi Audio Box X5 Phono Preamplifier
• AC Power Adapter
• User Manual