AM3E Headphone out specifications (3.5mm headphone out jack)
输出功率
≥280 mW（16Ω / THD+N＜1%)
输出阻抗
＜1.2Ω (32Ω loaded)
输出功率
≥210 mW（32Ω /THD+N＜1%)
通道分离
≥ 75 dB (1 kHz ，辅助输入)
输出功率
≥30 mW（300Ω / THD+N＜1%)
THD+N
＜0.002% (1 kHz）
频率响应
5 Hz~50 kHz（-3dB）
输出电压
＞6 Vp-p
SNR
≥117 dB (A-weighted)
Max. Output Current
150mA （供参考）
Max. Input Level
3.8 Vrms
Balanced headphone out specifications (2.5mm/4.4mm TRRS headphone out jack)
输出功率
≥535 mW（16Ω / THD+N＜1%)
输出阻抗
＜2Ω (32Ω loaded)
输出功率
≥560 mW（32Ω /THD+N＜1%)
通道分离
≥105 dB (1 kHz，AUX IN)
输出功率
≥112 mW（300Ω / THD+N＜1%)
THD+N
＜0.002% (1 kHz)
频率响应
5 Hz~50kHz（-3dB）
输出电压
＞10.5 Vp-p
SNR
≥115 dB (A-weighted）
Max. Output Current
150 mA (For reference)
Max. Input Level
3.8 Vrms
曲线频率响应图1.
Test condition: AUX IN, Input amplitude 0.9V, High Gain, Bass=ON/OF, 3.5mm headphone output (32Ω loaded)
Green yellow curve=Bass ON;
Red blue curve=Bass OFF;
曲线频率响应图2.
Test condition：AUX IN, Input amplitude 0.45V, High Gain, Bass=OFF, 2.5mm+4.4mm headphone output (32Ω loaded)
Yellow orange curve=Bass ON;
Red blue curve=Bass OFF;
曲线频率响应图3.
Test condition: USB IN, Lineout(10 kΩ loaded)
Left channel=Blue curve;
Right channel=Red curve;
曲线频率响应图4.
Test condition：USB IN, High Gain,Bass=OFF,3.5mm headphone output (32Ω loaded)
Left channel=Blue curve;
Right channel=Red curve;
曲线频率响应图5.
Test condition：USB IN, low Gain, Bass=OFF，2.5mm+4.4mm headphone output (32Ω loaded)
Left channel=Blue curve;
Right channel=Red curve;
曲线失真图1.
Test condition：AUX IN, Vin=700mVrms, High Gain, Bass = OFF,
3.5mm headphone output
曲线失真图2.
Test condition：AUX IN, Vin=700mVrms, High Gain, Bass = OFF
2.5mm+4.4mm balanced headphone output
曲线失真图3.
Test condition：USB IN, play -5 dB sinusoidal signal, 3.5mm headphone output(32Ω loaded)
Distortion diagram of curves 4.
Test condition：USB IN, play -5 dB sinusoidal signal,2.5mm+4.4mmbalanced headphone output(32Ω loaded)
