Waistband Voice Amplifier B423 AA

e-Audio B423AA Waistband Voice Amplifier – Technical Specifications

Power Supply & Consumption

• Power Supply: 5 V DC, 1 A (via included USB charging cable)

• Internal Battery: Built-in 3.7 V / 1800 mAh Li-ion rechargeable battery

• Battery Operating Time: Up to 10 hours continuous voice amplification

• Battery Charging Time: Approx. 3 – 5 hours

Audio Performance

• Output Power (Peak): 10 W

• Amplifier Class: Class D (Digital high-efficiency)

• Frequency Range: 100 – 13,000 Hz

• Speaker Driver: Built-in 3" full-range speaker driver

Connectivity & Media Playback

• Integrated Media Player: Built-in MP3 player via USB port & MicroSD (TF) card slot

• Microphone Connection: 3.5 mm jack input for dedicated wired headset microphone

Controls & Indicators

• Control Elements: Rotary Power ON/OFF & Master Volume knob, Media Player controls (Play/Pause, Next Track, Previous Track)

• Indicators: LED power/charging indicator light

• Wearability: Integrated rear belt clip and detachable adjustable waistband strap

Inputs & Outputs

• Inputs:

  • Microphone: 1 x 3.5 mm jack input (Mic In)

  • Auxiliary/Line: 1 x 3.5 mm AUX input

  • Media: 1 x USB 2.0 port, 1 x MicroSD (TF) slot

  • Power: 1 x USB Mini-B / Micro-USB charging port

• Outputs: Built-in internal loudspeaker

Physical Specifications

• Housing Design: Ultra-lightweight portable ABS plastic housing with front speaker grill

• Dimensions (W x D x H): 90 x 40 x 110 mm

• Weight: 0.26 kg (main unit)

Accessories Included

• Lightweight Headset Microphone (3.5 mm plug), Adjustable Waistband Strap, USB Charging Cable, User Manual