Audio-Technica's AT-HRD300 is a digital transport D/A (digital to analog) converter for playing digital audio with high sound quality, and as a wireless edition, it also has wireless functions such as Bluetooth.
Compatible with maximum PCM32 ~ 96kHz/24bit
Compatible with LDAC codec that allows you to listen to high quality sound equivalent to high resolution.
Equipped with ultra-low distortion and low noise operational amplifier ESS ES9601K
Suppresses unnecessary distortion and reproduces clear mid-high range.
Adopts high-quality DAC ES9018K2M manufactured by ESS
High-voltage output of 1.5V achieves high-quality sound.

Power supply DC12V (11.516V)
Maximum current consumption Approx. 40mA
Communication method Compliant with Bluetooth standard Ver. 5.1
Maximum communication distance Within 10m with good visibility
Used frequency band 2.4GHz band (2.4022.480GHz)
Modulation method GFSK, Pi/4DQPSK, 8DPSK
Compatible Bluetooth profile A2DPv1.3.2, AVRCPv1.6.2
Compatible codec SBC, AAC, LDAC
Compatible content protection SCMS-T method
Number of multi-pairings 1 unit
Frequency characteristics 20-40kHz
Output terminal Line output (pin jack) x 2 (1,500mV)
Square optical digital (32-192kHz, 16-24bit) x 1
Cable length
Power cable: approx. 250mm
Earth cable: approx. 250mm
External dimensions H23.0 x W95.0 x D67.0mm (excluding protrusions)
Weight approx. 90g (main unit only)