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A6 AC220V HIFI Headphone Amplifier Class A POA2134 OP AMP for HD650 K701 Earphone Audio
Features:
- Reference Lehmann amp circuit architecture , Power supply circuit, a voltage booster circuit is an improvement .
- Tonal aspects :Three-band EQ tuning principle .
- Recommendation using 32 to 600 ohms headphones .
- Dual transformer power supply , More stable voltage , Motivated .
- Use 2PCS OPA2314 op amp , Good separation , Highly reductive .
Parameter:
- Size : 188* 110*45mm .
- Weight : 820g .
- Input Interface : RCA*2, AC port*1
- Output Interface : 6.5 audio headphone jack
- Power supply: AC220V
- Power: 150mW / 300R, 300mw / 60R
- Frequency response : 10Hz (-0.3dB) -35K Hz (-1dB)
- Distortion : Less than 0.003%
- SNR : >= 100db .
- Frequency response: 20Hz (-0.3dB)-30KHz(-1dB)
Package list:
- 1 x Headphone Amplifier
