Refer to Beyerdynamic A1-ORO circuit stereo audio Headphones amplifier/Headphones amplifier kit
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Product Details:

Referring to the original machine design of A1, the circuit has not been improved, but the power supply and speaker protection have been strengthened. After multiple optimizations, there is no bottom noise! This headphone amplifier has high hearing endurance and is not irritating.
1:) Professional equipment headphone plug, ensuring reliable contact points!.
2:) UPC1237 provides protection and effectively eliminates impact noise, making work more reassuring.
3:) Panasonic original signal relay with extremely low contact resistance! Low loss of audio signal.
4:) Compatible with ALPS16 and 27 potentiometers.
5:) 4 high-frequency low impedance filtering capacitors specifically designed for power supply, with good performance.
6:) The original ST voltage regulator chip from the United States has high reliability and low internal resistance of the power supply.
Specifications:
Input voltage: AC110V or AC220V (optional)
Dimensions (W * H * D): 155 * 60 * 239MM
Weight: about 2.1KG (including shipping packaging)
RMAA professional sound card for A1 headphone amplifier testing indicators:
Package List:
1 × A1-ORO Headphones amplifier/Headphones amplifier kit




