AIYIMA H1

Product description:Operational amplifier chip: JRC5532*2Replaceable op amp chip: OPA2604, OPA2314, LM4562, NE5532, etc.Signal to noise ratio: ≥111dbFrequency response: 20-20Khz (±0.1db)Distortion: 0.03%Load impedance: 16-300ΩMaximum output power: 170mW/32Ω loadInput mode: AUXSupport equipment: mobile phones, tablets, computers, MP3, TV, etc.Output mode: amp, earphone, active speakerWorking voltage: 2.8V-4.2VCharging voltage: DC5VBattery capacity: 3000mah (polymer battery)Maximum volume working time: 4 hoursSize: 110*62*17mmProduct net weight: 123gPackage weight: 210gMore features:Removable and replaceable batteryOp amp can be replacedThree-terminal regulator: IC-79L08-SOT89Step-down: IC-MP1484-SOIC8Charging management: IC-TP4056-SOP8Boost: IC-SX1308-SOT23-6Voltage detection: IC-HT7027A-SOT89Packaging:1×Packaging Box1×type - C Charging Cable1×Audio Line1×Tool accessories1×User Manual