Cayin HA-300 MK3 – Flagship Tube Headphone and Speaker Amplifier

Cayin HA-300 MK3 – Flagship Tube Headphone & Speaker Amplifier Whether driving demanding full-size headphones, sensitive IEMs or high-efficiency loudspeakers, the Cayin HA-300 MK3 brings traditional 300B tube amplification into a versatile modern listening system. Technical Specifications Tube Configuration Power Tubes: 2 × Genalex Gold Lion PX300B Voltage Amplification Tubes: 2 × JJ 6SN7 Rectifier Tubes: 2 × JJ GZ34 / 5AR4 Headphone Amplification 4-Pin XLR Balanced Output: 6,500mW + 6,500mW 6.35mm Single-Ended Output: 6,000mW + 6,000mW 4.4mm Balanced Output: 1,600mW + 1,600mW Headphone Impedance Matching: Low: 8–65Ω Medium: 65–300Ω High: 300–600Ω Frequency Response: 12Hz–35kHz (±3dB) Total Harmonic Distortion: Less than 1% (1kHz, 1,500mW) Signal-to-Noise Ratio: 100dB (A-weighted) Speaker Amplification Output Power: 8W + 8W Supported Speaker Impedance: 4–8Ω Frequency Response: 10Hz–35kHz (±3dB) Signal-to-Noise Ratio: 102dB (A-weighted) Connectivity Analog Inputs: 1 × Stereo RCA, 1 × Stereo XLR Headphone Outputs: 4-Pin XLR, 4.4mm Pentaconn, 6.35mm Speaker Outputs: Speaker Binding Posts Premium Components Third-Generation Wide-Bandwidth EI Output Transformers Third-Generation Toroidal Power Transformer DUELUND Coupling Capacitors Low-Noise Regulated Voltage Amplification Stage Point-to-Point Hand Wiring Physical Specifications Main Amplifier Dimensions: 286 × 368 × 205mm (W × D × H) Main Amplifier Weight: 16.8kg Power Supply Dimensions: 159 × 345 × 205mm (W × D × H) Power Supply Weight: 10kg Total System Weight: Approximately 26.8kg Maximum Power Consumption: 160W What's in the Box Cayin HA-300 MK3 Main Amplifier Separate Power Supply Unit 2 × Genalex Gold Lion PX300B Vacuum Tubes 2 × JJ 6SN7 Vacuum Tubes 2 × JJ GZ34 / 5AR4 Rectifier Tubes Power Cable Accessories and Documentation