Beyerdynamic A 20 Headphone Amplifier

PA SKU # BEY A20 MFR # 716015 UPC # 4010118716010
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  • Product Highlights
  • Two 1/4" Headphone Outputs
    Solid All-Metal Housing
    Open, Transparent Sound
    Internal Switching Power Supply
    Looped-Through Input
    Volume Control

Premium Stereo Headphone Amplifier

With the A 20 you will rediscover your dynamic headphones.

This new headphone amplifier from beyerdynamic is perfect for all headphone applications and provides dual outputs for shared listening with a partner.

The circuit of the A 20 is designed based on our legendary A 1 reference headphone amplifier. The discrete output stage provides plenty of power even for high-impedance headphones while the dynamic, open and precise sound sets the A 20 apart from what can be found in the normal output stages of regular amplifiers or receivers. This is confirmed by its first-class circuitry and excellent technical specifications that provide a balanced sound for long periods of comfortable listening.

Made of brushed aluminum, the housing of the A 20 is especially solid and resonance-free. Due to the innovative chassis design, no screws are visible on the external surfaces. Equipped with an original ALPS potentiometer for variable volume control, a knob turned from solid aluminum completes the attractive yet robust look of this amplifier.

With a high-gain RCA input, the A 20 works easily with most sources. The input signal can be looped through and is entirely free from signal-loss thanks to the hard-wired RCA output. Due to the built-in power supply, which is connected via a detachable power cord (supplied), no external power supply is needed avoiding disturbing background noise. Thanks to the dual headphone jacks on the front, two people can listen to the A 20 together without an adapter cable.
  • Two 6.35 mm headphone outputs
    Elegant and solid all-metal housing
    Particularly open, transparent sound
    Also suitable for 600 Ohms headphones
  • Dimensions: 164 x 212 x 55 mm
    Frequency range: 10 Hz - 100 kHz (-1 dB)
    T.H.D.: 0.01 % at 170 mW / 250 Ω
    Maximum output power: 170 mW / 250 Ω
    Unweighted signal-to-noise ratio: > 100 dB (unweighted)
    Channel separation: > 80 dB at 1 kHz / 250 Ω
    Headphone outputs: 2 stereo jack outputs 6.35 mm (1/4") in parallel mode
    Analog inputs: 1 pair RCA
    Analog outputs: 1 pair RCA
    Net weight without packaging: 1640 g
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