Audio-Technica has now sold its AT-BHA100 balanced headphone amplifier and AT-DAC100 digital-to-analog converter. Audio-Technica's AT-BHA100 headphone amplifier ($999) is based on the AT-HA5050H and AT-HA22TUBE models and provides better sound. AT-BHA100 uses four JJ electronic ECC83S vacuum tubes, one for each audio circuit and four power transistors. The left and right channels and the balanced amplifier circuit are well separated from each other.

AT-BHA100 provides two balanced outputs, a 4.4 mm (0.17 inch) TRRS jack and a four-pin XLR terminal for compatibility with various balanced headphones, and two 1/4 inch (6.3 mm) jacks. Two headphones can be used at the same time, and the volume control is independent (in unbalanced mode). AT-BHA100 also has a through output.

The left and right channels are independent of each other to suppress crosstalk. AT-BHA100 uses New Japan Broadcasting (NJR) MUSES8820 operational amplifier, WIMA and Shinyei film capacitors, and a four-layer circuit board structure that separates signal, power, and ground circuits to achieve audio purity. AT-BHA100 has an external power supply and can be placed vertically using the supplied bracket.

The Audio-Technica AT-DAC100 digital-to-analog converter ($699) is DSD compatible and supports up to 768 kHz 32-bit linear PCM and 22.4 MHz DSD. It incorporates sophisticated design techniques, including AKM AK4452 VN DAC for extremely low distortion and noise, power supplies for analog devices, filter circuits using Texas Instruments LME49860 operational amplifiers, and Nichicon and WIMA capacitors. AT-DAC100 provides two USB inputs (USB-C and USB-B), as well as optical and coaxial digital inputs.