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Finished A2-PRO Home Audio Headphone Amplifier With PCM2706+ES9023 USB Reference Beyerdynamic A2 Headhpone AMP
€128.35€182.97
Spalva : Without USB


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About this item
Proveniente da 3C electronics mall
Seller assumes all responsibility for this listing.Prekės numeris: 37847292
Item specifics
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Naudojamas
Item description from the seller
Product Details:
Refer to the circuit design of Beyerdynamic A2 headphone amplifier, combined with the designer's own ideas, redesigned and improved A2-PRO professional headphone amplifier.
Using the integrated design.
Operating voltage: 115V and 230V
Dual headphone output jack, compatible with high impedance and low impedance headphones, Suitable for 10-600 ohm impedance range, Can connect two headphones at the same time.
Front panel switches use the excellent brand in Taiwan, feel very good, and reliability.
Integration of the EMI filter, better dual-capacitor filter effect.
Use Nippon takamisawa dedicated signal relay.
Regulators used LM317,337.
The rear panel Match 1 set audio input and 1 set audio output.
Symmetrical design, optimize go line, USES the star grounding, achieve zero noise, good separating degree.
PCB type power socket, the built-in EMI filter, and USES the Japan brand capacitance.
Multi-level parallel filtering, and decoupling, effectively filter high frequency interference and noise.
WIMA parallel diode.
Use ALPS potentiometer.
Using Taiwan's headphone socket.
PCM2706+ES9023 USB:
1: The USB receiving chip adopts PCM2706, 16BIT/48K of TI Company in the United States.
2: The decoding part uses the American ESS9023 decoding core. ES9023 is a 24bit stereo audio digital-to-analog conversion chip (DAC) of ESS. It uses the industry's advanced SABRE digital-to-analog conversion technology. This chip integrates sound quality and high cost performance. , Making it an ideal choice for digital-to-analog conversion. ES9023 uses patented Hyperstream architecture and time-domain jitter elimination technology to achieve jitter-free recording level sound quality, with a dynamic range of 112dB.
Signal to noise ratio: 112db
Distortion: -93db
Package list:
1 × Finished headphone amplifier











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