Astell&Kern AK HB1

portable, DAC: AKM AK4493S, 384 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, Pentaconn 4.4 mm, input USB C, signal/noise 118 dB

Bluetooth-amplifier, portable, DAC: ESS ES9219C (2 pcs.), 384 kHz, 32 bit, headphone output: 16 – 150 Ohm, mini-Jack 3.5 mm, 240 мВт at 32 Ohm, 20 – 40000 Hz, signal/noise 122 dB

portable, DAC: AKM AK4493, 768 kHz, 32 bit, headphone output: 6 – 300 Ohm, Jack 6.35 mm, 1500 мВт at 32 Ohm, 20 – 80000 Hz, signal/noise 115 dB

portable, headphone output: 47 Ohm, Jack 6.35 mm

stationary, DAC: AKM AK4452, 384 kHz, 32 bit, headphone output: 32 – 300 Ohm, mini-Jack 3.5 mm, 330 мВт at 32 Ohm, 120 мВт at 300 Ohm, signal/noise 93 dB

stationary, headphone output: 30 – 600 Ohm, Jack 6.35 mm, 10 – 100000 Hz, signal/noise 100 dB

stationary, headphone output: mini-Jack 3.5 mm, 330 мВт at 32 Ohm, 60 мВт at 300 Ohm, 10 – 120000 Hz, signal/noise 112 dB

portable, DAC: Asahi Kasei AK4490, 382 kHz, 32 bit, headphone output: 8 – 300 Ohm, Jack 6.35 mm, 500 мВт at 32 Ohm, 20 – 20000 Hz, signal/noise 112 dB

stationary, headphone output: Jack 6.35 mm, XLR, 10 – 20000 Hz, signal/noise 120 dB

portable, DAC: CS43131, 384 kHz, 32 bit, headphone output: mini-Jack 3.5 mm, Pentaconn 4.4 mm, 20 – 50000 Hz, signal/noise 122 dB

portable, DAC: Wolfson WM8740, 192 kHz, 24 bit, headphone output: 16 – 300 Ohm, mini-Jack 3.5 mm, 20 мВт at 300 Ohm, 10 – 20000 Hz, signal/noise 109 dB

Bluetooth-amplifier, portable, DAC: AK4191EQ+AK4499EX, 768 kHz, 32 bit, headphone output: 8 — 350 Ohm, mini-Jack 3.5 mm, Pentaconn 4.4 mm, input USB C, 1250 мВт at 32 Ohm, 170 мВт at 300 Ohm, 20 — 80000 Hz, signal/noise 123 dB