Quloos MUB1: Portable Bluetooth DAC & Headphone Amplifier
Quloos has released a new model of headphone amplifier with a built-in MUB1 digital-to – analog converter .
The DAC unit uses four CS43131 chips from Cirrus Logic , which provides a signal-to-noise ratio of -132 dB and an THD of only 0.0001% . The amplifier section is based on four BUF634 op-amps , the output power is up to 1100 MW into 32 ohms. Two jacks are provided for connecting headphones – 3.5 mm and 4.4 mm , another 3.5 mm jack can be used to output a digital signal in optical or electrical format, as well as a linear analog signal.
The built-in Bluetooth adapter supports LDAC and aptX HD codecs . On the front panel of the aluminum case there is an OLED display, which displays the main service information. The device can work with PCM 32bit / 384kHz and native DSD256 signals , the USB-C port has two modes of operation – UAC2.0 and UAC1.0.