Updated to 3rd generation in Sept 2021
Compatible with Apple iPhone/iPad, Android devices, Mac and Windows computers
Class-A balanced headphone amplifier and DAC
Up to 1.5w power output (4.4mm balanced)
Tubes: 12AU7 / 5963 driver tubes, self-biasing
Premium Polytetrafluoroethylene (PTFE) tube sockets
ESS SABRE Audiophile DAC up to 24-bit/384kHz PCM, and up to DSD256 (11.2MHz)
XMOS xCORE-AUDIO asynchronous USB compatible with PC, Mac, Android and iOS devices (with Apple CCK or Android OTG adapter)
No driver required, plug and play with Windows 10 & 11 and all versions of macOS
High-retention USB connector x 1
RCA analog Input x 1
4.4mm (5-pole) by Pentaconn by NIPPON DICS balanced headphone output (recommended)
6.3mm (1/4”) stereo headphone output
Frequency response: 10Hz to 46kHz, -3dB
Signal to noise ratio: 100 dB
Tube preamplifier function (PRE-OUT):
4.4mm (5-pole) by Pentaconn by NIPPON DICS, - 3.4v balanced pre-out output (recommended)
3.5mm (1/8”), - 1.7v unbalanced stereo pre-out
Anodized aluminum chassis, available in midnight black or silver
External dimensions with glass: 5.25" (H) x 4.8" (W) x 6" (D)
Weight: 8.5 lbs.(3.9kg)
Internal linear power supply
Operating AC voltage: 115v – 230v (voltage below 115v requires step up transformer)
Designed and assembled in New York, USA