Cayin HA-300 MK2 Class A Tube Headphone Amplifier

Description

About the Cayin HA-300 MK2 Class A Tube Headphone Amplifier

The Cayin HA-300 MK2 Class A Tube Headphone Amplifier is one of the most captivating headphone amplifiers available for serious audiophiles. The use of classic 300B tubes in a pure Class-A single-ended design produces a beautifully rich, spacious sound that brings recordings to life with incredible realism.

Designed as Cayin’s flagship headphone amplifier, the HA-300 MK2 combines premium tube circuitry, hand-wound transformers and exceptional build quality, making it a stunning centrepiece for high-end headphone systems and serious music listening.

What really sets the HA-300 MK2 apart is the sense of scale and musicality it delivers. Instruments feel three-dimensional, vocals sound natural and the overall presentation is immersive and emotionally engaging. When paired with high-end headphones and a quality DAC, it becomes a truly reference-grade listening system.

Frequently Asked Questions

1. What tubes does the Cayin HA-300 MK2 use?
   The amplifier uses 300B output tubes, 6SN7 driver tubes and 22DE4 rectifier tubes.
2. Is the HA-300 MK2 a Class-A amplifier?
   It operates in pure Class-A single-ended triode mode.
3. Does the HA-300 MK2 support balanced headphones?
   It includes 4-pin XLR and dual 3-pin XLR balanced headphone outputs.
4. What DAC pairs well with the Cayin HA-300 MK2?
   DACs like the Cayin iDAC-8 or iDAC-6 MK2 pair beautifully with the amplifier.
5. Is the Cayin HA-300 MK2 suitable for high-end headphone systems?
   It is designed specifically for reference-level headphone listening setups

What the Experts Say

• Headfonics – they highlight the HA-300 MK2 for its lush tonal character, powerful output and exceptional soundstage, making it a top-tier headphone amplifier for audiophile systems.
• Head-Fi Community – Many enthusiasts consider the HA-300 MK2 to be one of the finest PX300B headphone amplifiers available, praised for its natural tone and immersive presentation.

Features

300B Single-Ended Triode Amplification

The HA-300 MK2 uses legendary PX300B output tubes in a pure single-ended triode design, delivering rich harmonics and exceptional musicality.

Pure Class-A Operation

The amplifier operates entirely in Class-A, ensuring smooth, detailed sound reproduction with outstanding dynamics.

Hand-Wound Output Transformers

Cayin’s custom hand-wound output transformers are designed specifically for headphone amplification, improving clarity, control and frequency response.

Multiple Headphone Outputs

The amplifier supports a variety of headphone connections including:

1. 4-pin XLR balanced output
2. Dual 3-pin XLR balanced outputs
3. 6.35mm single-ended output

Separate Power Supply Chassis

A dedicated external power supply unit reduces noise and interference, improving overall sonic performance.

Multiple Output Impedance Settings

Selectable impedance settings allow the amplifier to match a wide range of headphones.

Recommended With This Product

Customers considering the Cayin HA-300 MK2 often pair it with these complementary components.

DACs

• Cayin iDAC-8 Dual Timbre DAC

Streamers

• Cayin iDAP-8 Network Music Player

Digital Sources

Volumio Primo Plus Streaming DAC

Ideal For

• High-end headphone listening systems
• Audiophile desktop setups
• Reference-level music playback

Specifications

Brand: Cayin
Model: HA-300 MK2
Product Type: Class-A Tube Headphone Amplifier

Amplifier Design: Single-Ended Class-A tube amplifier

Tube Complement:

• 2 x Genelux Gold Lion PX300B output tubes
• 2 x Tung-Sol 6SN7 driver tubes
• 4 x NOS RCA 22DE4 rectifier tubes

Inputs:

• Balanced XLR
• RCA stereo

Headphone Outputs:

• 4-pin XLR balanced
• Dual 3-pin XLR balanced
• 6.35mm single-ended

Output Impedance Settings: Multiple selectable options

Power Supply: External power supply chassis

Dimensions (Amplifier): approx. 395 × 318 × 175 mm
Weight: approx. 15 kg (combined units)

MPN: HA-300MK2
SKU: Cayin-HA300MK2

EAN / UPC / GTIN: 6957914911509

Why Buy From Rapallo

✔ New Zealand Hi-Fi specialists since 2005
✔ Authorised Cayin dealer with genuine products and full manufacturer warranty
✔ Expert advice on headphone and DAC matching
✔ Carefully curated range of premium Hi-Fi equipment
✔ Free NZ shipping on orders over $299