AIYIMA H4 Portable Hi-Res USB DAC & Balanced Headphone Amplifier

Pro-Grade Sound for Every Listener: The 4-Channel Precision Hub

The AIYIMA H4 is a high-performance 4-channel headphone amplifier designed to deliver transparent, high-fidelity audio to multiple users simultaneously. Whether used for studio monitoring, podcasting, or shared home listening, its independent volume controls and dual-input versatility make it an essential tool for any multi-user audio setup.

• 4-Channel Independent Control: Features four separate high-power amplifier stages, each equipped with its own dedicated volume knob for personalized monitoring.
• Dual Input Versatility: Supports both 1/4" (6.35mm) TRS and RCA inputs, ensuring seamless compatibility with professional mixing consoles and consumer audio interfaces.
• High-Fidelity Audio: Utilizes premium operational amplifiers (Op-Amps) to achieve ultra-low noise and distortion for a clean, immersive listening experience.
• Rugged Metal Chassis: Housed in a durable, shielded metal enclosure that protects against electromagnetic interference and stands up to daily desktop use.
• Universal Drive Capability: Engineered with high-output power to effectively drive a wide variety of headphones, from sensitive IEMs to high-impedance studio models.

• Input Interfaces: 1 x 6.35mm TRS (Stereo), 1 x RCA (L/R)
• Output Interfaces: 4 x 6.35mm Headphone Jacks
• Input Impedance: 100kΩ (Unbalanced), 10kΩ (Balanced)
• Frequency Response: 20Hz – 20kHz
• Signal-to-Noise Ratio (SNR): >90dB
• Total Harmonic Distortion (THD): <0.005%
• Max Output Level: +20dBm
• Power Supply: DC 12V
• Dimensions: 103 x 57 x 45 mm
• What's in the Box:
  • 1 x AIYIMA H4 Headphone Amplifier
  • 1 x 12V Power Adapter
  • 1 x User Manual