A Look at the LJMXG 5.0 Audio Receiver GE5654 Vacuum Tube Pre-Amplifier TPA612 Headphone Amplifier USB Sound Card

Price: $1,155.94
(as of May 21,2023 00:36:43 UTC – Details)

This audio receiver and pre-amplifier measures approximately 85mm(L) x 79mm(W) x 55mm(H) and features a 6.35mm headphone output. The fiber base has been upgraded, and the circuit board design has been optimized to redefine quality and sound. There are Type-C inputs available, allowing for input mode selection. The volume control knob can be used to adjust the headphone output. The device incorporates Hi-Fi headphone amplifier chips TPA6120 and LM4562 as well as a circuit for headphones. The digital signal I2S is converted through the classic decoding IC-ES9023 from American company ESS for DA conversion output. The imported GE5654 tube is buffered to filter out the digital taste, making the sound softer and more durable. The default AUX (LINE) output allows the headphone to automatically switch to headphone output with bass, midrange, and treble adjustment. The device comes with a TYPE-C input port and supports most computers or mobile phones OTG as an external sound card with priority. The recommended adapter for this device is a DC12V 1.5-2A or higher. The package includes: GE5654 Vacuum Tube Pre-Amplifier and DC12V Power adapter.


The imported GE5654 tube is buffered to filter out the digital taste, making the sound softer and more durable. The default AUX (LINE) output allows the headphone to automatically switch to headphone output with bass, midrange, and treble adjustment. The device comes with a TYPE-C input port and supports most computers or mobile phones OTG as an external sound card with priority. The recommended adapter for this device is a DC12V 1.5-2A or higher.