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Warranty: 1 Year Limited (T&C applies, human factor damage not covered)

[Stars‘ Review] https://starspickeraudio.net/blogs/blog/moondrop-moonriver-2-further-down-the-river

Moondrop Moon River 2 / Moonriver 2
Dual DAC CS41398 Portable USB DAC Amplifier for Earphones Headphones

- Dual DAC Cirrus Logic CS43198
- Four-channel fully balanced architecture
- Up to 4Vrms maximum headphone output
- Balanced 4.4mm and Single Ended 3.5mm support
- Playback up to 384kHz (32bit), DSD256 native
- USB Type C connector interface
- CNC machined Aluminum alloy chassis

Specifications:

Size Volume: 56.8mm x 19.4mm x 12.5mm

Earphone Jack: 3.5mm Single-ended, 4.4mm Balanced

Frequency Range: 6Hz-85000 Hz (±1dB)

USB interface: USB Type C

Gain Control: High / Low switchable

Background Noise:
4.4mm: 1.5μV (AES17 20K Hz)
3.5mm: 1.2μV (AES17 20K Hz)

THD+N
3.5mm: 2Vrms 0.0008%@32Ω
4.4mm: 4Vrms 0.00013%@300Ω
 
SNR
4.4mm: 131dB (A-weighted)
3.5mm: 123dB (A-weighted)

Line Out
4.4mm: 4Vrms (High), 2.8Vrms (Low)
3.5mm: 2Vrms (High), 1.4Vrms (Low)

Firmware Upgrade: Supported