JC Acoustics UDP-M3 is a new portable Bluetooth USB DAC and headphone amplifier that combines the performance of stationary devices with the convenience of a compact format. Over the course of two years, the developers have been improving the design, achieving high power and clear sound.
The model is equipped with a Qualcomm QCC5125 Bluetooth chip, which supports LDAC, aptX HD and aptX Low Latency codecs, ensuring stable transmission of high-resolution audio signals. Digital conversion is based on two AKM4493SEQ chips, creating detailed sound with wide dynamics. The XMOS XU316 USB controller is responsible for accurate data processing in combination with FPGA algorithms and clock generators based on Japanese NDK femtosecond clocks, which reduces jitter and distortion.
For demanding headphones, there is a balanced 4.4 mm output with a power of up to 1500 mW per channel at 32 Ω, and a standard 3.5 mm jack delivers up to 380 mW. The built-in 4200 mAh battery provides long battery life and supports fast charging – only 1.5 hours thanks to the Texas Instruments controller. There is also a USB power mode for use in a desktop configuration.
An informative 1.28-inch color display allows you to conveniently control the settings. The design uses Japanese Panasonic film capacitors, resistors with an accuracy of 0.1% and audiophile silver Jensen wires. Fully balanced circuitry is based on operational amplifiers OPA1656, OPA1642 and a pair of TPA6120A2RGYT.
JC Acoustics UDP-M3 is designed for those who want to get high-quality Hi-Fi sound anywhere – at home, on a trip or at work. It is worth considering that due to high power and dense layout, the device emits heat, which does not affect the stability of operation.
JC Acoustics UDP-M3 Specifications:
- DAC: AKM 4493SEQ × 2 (fully balanced circuit)
- Bluetooth: Qualcomm QCC5125, version 5.1, support LDAC / aptX HD / aptX Low Latency (24bit/96kHz)
- USB controller: XMOS XU316
- Signal Processing: FPGA with digital shaping and synchronous RECLOCK, global clock synchronization
- Audio support: DSD512 / PCM 384kHz
- Headphone Output: 4.4mm balanced (1500mW @ 32Ω) / 3.5mm single (380mW @ 32Ω)
- THD+N: <0.0008% @ 1kHz, 1Vrms (A-weighted, 4.4mm balanced)
- SNR: 118 dB
- Dynamic range: 123 dB
- Channel Separation: -118 dB @ 1 kHz
- Battery life: 8 hours of playback
- Dimensions: 104 x 66.5 x 14.8 mm
- Weight: 165 g
- Charging: Fast in 1.5 hours (control chip from TI), can be charged during operation
- Screen: 1.28-inch color touchscreen
Price : $412
