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HDA-P1 DAC Headphone Amplifier
- Audio Processor: Cirrus logic CS8422 XMOS XS1-U8A-64
- DAC: AKM AK4490
- Headphone Ampliﬁer: OPA1612 + BUF634 x 2
- PCM digital filters and DSD digital filters
- USB-OTG Storage Support: USB2.0 OTG – compatible with iPhone, iPod Touch, iPad and Andriod
HDA-P2 Class A Headphone Amlifier
- Slim and pocket size headphone amplifier
- A high end aluminum material with oxidation finishing.
- Traditional analog circuit, looks like a vacuum tube amplifier taste and style.
- A good sound quality analog volume control knob.
- A good sound quality copper connection wire included.