Cayin HA-300B Mk. III

As the third-generation model in the HA-300 series, the HA-300 MK3 builds on the acclaimed architecture of the MK2 with major advances in components, circuitry, craftsmanship and industrial design. From sonic refinement to day-to-day usability, every detail reflects Cayin's ongoing pursuit of acoustic excellence.

// FEATURES
- Continues the series' classic single-ended pure Class A design, combining premium tubes with a newly upgraded circuit to achieve an exceptional balance of musicality and technical performance.
- Employs two JJ GZ34 / 5AR4 rectifier tubes with an upgraded tube rectification circuit for improved rectification efficiency while preserving the distinctive appeal of tube-based power supply design.
- The JJ 6SN7 Voltage Amplification Tubes provide low noise and high resolution, enabling accurate voltage gain and excellent detail retrieval.
- Gealex Gold Lion PX300B tubes known for their warm, natural and richly textured character preserves the emotional core and natural beauty of music.
- Built around a new third-generation upgraded circuit, the amplifier retains the unique charm of Cayin's single-ended tube topology while enhancing signal transmission efficiency and anti-interference performance.
- A physically separated power supply chassis and low-noise regulated circuit with independent staged power delivery provides cleaner energy delivery and improved isolation from interference.
- The 4.4mm Balanced Output has been specially optimized for IEM compatibility, delivering a more detailed and immersive listening experience across a wider range of devices from low-impedance IEMs to high-impedance full-sized headphones.
- In addition to driving headphones, the amplifier can also power speakers, making it suitable for both desktop audio systems and home listening setups.

// SPECIFICATIONS
- Power tubes: 2x Genalex Gold Lion PX300B
- Voltage Amplification tubes: 2x JJ 6SN7
- High-voltage Rectifier tubes: 2x JJ GZ34/5AR4
- Headphone Output (4-pin XLR BAL): 6500mW+6500mW
- Headphone Output (1/4" / 6.3mm SE): 6000mW+6000mW
- Headphone Output (4.4mm BAL): 1600mW+ 1600mW, specially optimized for IEMs
- Headphone Output TH+D: <1% @ 1kHz, 1500mW; Rated Output Power <5%
- Speaker Output: 8W + 8W
- Speaker TH+D: <1% @ 1kHz, 3W; Rated Output Power <5%
- Input Connector: 1 set XLR, 1 set RCA
- Dimensions: 159 x 345 x 205mm (power supply), 286 x 368 x 205mm (amplifier)
- Weight: 10kg (power supply), 16.8kg (amplifier)