Cayin_RU9(main).jpg
Cayin_RU9(screen).jpg
Cayin_RU9(side).jpg
Cayin_RU9(back).jpg
Cayin_RU9(in-case).jpg
Cayin_RU9(life).jpg
Cayin_RU9(main).jpg
Cayin_RU9(screen).jpg
Cayin_RU9(side).jpg
Cayin_RU9(back).jpg
Cayin_RU9(in-case).jpg
Cayin_RU9(life).jpg

Cayin RU9 Portable Nutube USB DAC Headphone Amp

$699.00
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Firm ETA (06.20.25)

The New Age of Dongle

Overview:

  • Triple Timbre: Tube Classic / Tube Modern / Solid-State, Gen5 Nutube 6P1 Application

  • DC + Hyper Mode: Unlock Ultimate Performance with DC Mode 1000mW+1000mW

  • XMOS 16-Core XU316, UAC2.0/1.0 Supported

  • Dual AK4493SEQ DACs, Mono Mode

  • 4-Ch BAL AMP Circuit: OPA1662 + Nexperia Transistors

  • Built-in Battery: Up to 4.7h Playback

  • DSD 512, PCM 768kHz/32Bit

  • S/PDIF: input/Output

  • I/O: 3.5mm Phone Out, Line Out / 4.4mm Phone out, Line Out

  • Bluetooth 5.1: Qualcomm QCC5125

  • Magnetic Attachment: Snaps onto Phones

  • Magnetic Case Included: PU Leather

  • USB Cable Included: L-Shaped

  • Aluminum Alloy: CNC Machined Chassis

  • Dimensions: 100×70×15mm / 150g

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Firm ETA (06.20.25)

The New Age of Dongle

Overview:

  • Triple Timbre: Tube Classic / Tube Modern / Solid-State, Gen5 Nutube 6P1 Application

  • DC + Hyper Mode: Unlock Ultimate Performance with DC Mode 1000mW+1000mW

  • XMOS 16-Core XU316, UAC2.0/1.0 Supported

  • Dual AK4493SEQ DACs, Mono Mode

  • 4-Ch BAL AMP Circuit: OPA1662 + Nexperia Transistors

  • Built-in Battery: Up to 4.7h Playback

  • DSD 512, PCM 768kHz/32Bit

  • S/PDIF: input/Output

  • I/O: 3.5mm Phone Out, Line Out / 4.4mm Phone out, Line Out

  • Bluetooth 5.1: Qualcomm QCC5125

  • Magnetic Attachment: Snaps onto Phones

  • Magnetic Case Included: PU Leather

  • USB Cable Included: L-Shaped

  • Aluminum Alloy: CNC Machined Chassis

  • Dimensions: 100×70×15mm / 150g

Firm ETA (06.20.25)

The New Age of Dongle

Overview:

  • Triple Timbre: Tube Classic / Tube Modern / Solid-State, Gen5 Nutube 6P1 Application

  • DC + Hyper Mode: Unlock Ultimate Performance with DC Mode 1000mW+1000mW

  • XMOS 16-Core XU316, UAC2.0/1.0 Supported

  • Dual AK4493SEQ DACs, Mono Mode

  • 4-Ch BAL AMP Circuit: OPA1662 + Nexperia Transistors

  • Built-in Battery: Up to 4.7h Playback

  • DSD 512, PCM 768kHz/32Bit

  • S/PDIF: input/Output

  • I/O: 3.5mm Phone Out, Line Out / 4.4mm Phone out, Line Out

  • Bluetooth 5.1: Qualcomm QCC5125

  • Magnetic Attachment: Snaps onto Phones

  • Magnetic Case Included: PU Leather

  • USB Cable Included: L-Shaped

  • Aluminum Alloy: CNC Machined Chassis

  • Dimensions: 100×70×15mm / 150g