Model LK208B
Standard Features:
√ High Output.
√ Slim Body.
√ Less noise, fine fidelity and tone.
√ With M-T-O switch tone adjustment.
√ Tested according to International Standard IEC118-7.
Specification:
Max. Output：131dB±4dB
Max. Sound Gain：≥65±5dB
Total Harmonic Wave Distortion: F=1000Hz, ≤8%
Equivalent Input Noise Level : ≤30dB
Frequency Range：250Hz~3800Hz
Voltage：1.5V
Current: ≤4mA
Battery: AA