Product description:
Feature:
Op amp chip: NE5532*2 (op amp can be replaced)
Replaceable op amp chip: OPA2604, OPA2314, LM4562, NE5532, etc.
Signal to noise ratio: ≥111db
Frequency response: 20-20Khz (±0.1db)
Distortion: 0.03%
Load impedance: 16-300Ω
Maximum output power: 170mW/32Ω load
Input mode: AUX
Support equipment: mobile phones, tablets, computers, MP3, TV, etc.
Output mode: amp, earphone, active speaker
Working voltage: 2.8V-4.2V
Charging voltage: DC5V
Battery capacity: 3000mah (polymer battery) (Non-replaceable battery)
Maximum volume working time: 8 hours
Normal playback volume working time: 12 hours
Size: 110*62*17mm
Package included:
1Pcs H1 Headphone Amplifier