Headphone amplifiers with analogue volume control

stationary, 87 dB, 101 dB

stationary, 500 mW, 30 – 600 Ohm, 90 dB, 101 dB

stationary, 500 mW, 32 – 600 Ohm, 101 dB

stationary, 80 dB, 103 dB

portable, для iPod/iPhone, 104 dB

stationary, 95 dB, Gain Control, 108 dB

portable, tube, 700 mW, 114 dB, Gain Control, 114 dB

portable, Gain Control, для iPod/iPhone, Power Bank, 117 dB

Bluetooth amplifier, portable, 165 mW, 117 dB, 120 dB

portable, 16 – 600 Ohm, 120 dB

portable, 49 mW, 16 – 80 Ohm, 109 dB, equalizer, 121 dB

stationary, 564 mW, 122 dB

stationary, 20 – 600 Ohm, 97 dB, 122 dB

stationary, 20 – 600 Ohm, 97 dB, 122 dB

stationary, 2700 mW, 32 – 600 Ohm, 98 dB, 131 dB

stationary, 7500 mW, 16 — 600 Ohm, 139 dB, Gain Control, 139 dB

stationary, 2800 mW, 16 – 600 Ohm, 104 dB, Gain Control, 140 dB

stationary, 2300 mW, 141 dB, Gain Control, 141 dB

stationary, 2700 mW, 144 dB, Gain Control, 144 dB

stationary

stationary, 25 – 75 Ohm

stationary, 2440 mW, 16 – 300 Ohm, 120 dB, Gain Control

portable, 160 mW, 16 – 100 Ohm, 114 dB, Gain Control

stationary, tube, 16 – 600 Ohm, 137 dB, Gain Control