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Fiio A1 Portable Amp
Specifications

??Model Name/Number A1
Color Available Silver
Weight 20g (incl. belt clip)
Dimensions 42mm x 40.7mm x 9.4mm
Audio Input Standard 3.5mm Port
Headphone Output Standard 3.5mm Port
Drive Ability 16~100 ?? (recommended)
Power Input DC 5V/0.8~1A (recommended)
Battery Capacity 160 mAh
Battery Life ??13 h (32?? loaded)
Output Power ??78mW??6?? / THD+N??%)
Charging Time ??90 mins
THD+N <0.05% (1kHz)
Output Impedance ?? 0.2 ??
Frequency Response 10 Hz~90 kHz(-3dB??nput: 300mV)
SNR ??100dB (A-weighted)
Input Sensitivity 1.05Vrms??ol=Max??
MAX input Level 1.35Vrms
Crosstalk ??65 dB Channel Imbalance ?? 0.2dB
Gain 3.65dB
Status LED Yes
MAX Output Voltage 4.52Vp-p
MAX Output Current 50mA
EQ Modes
Bass1: 2.7dB bass boost
Bass2: 5.2dB bass boost
Bass3: 5.2dB bass reduction
MCU MSP430
Headphone AMP TPA6130A2
Sound Effects Module 74HC4052PW??PA2322AID