Guangzhou DSPPA Audio Co., Ltd.
Add: NO.1 Xiahe Road, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
Tel: +86 020 37166520
LinkedIn: Guangzhou DSPPA
Built-in alarm siren;
Audio sources: USB MP3, FM;
Support voice message recording;
Built-in LED light for use in dark places;
Power Supply: built-in rechargeable lithium battery or dry battery
Working hours: Speaking, alarm, driving, FM 20h; LED lighting 10h; MP3 15h（each mode using lonely）
The DSP166HD is a high fidelity megaphone without camera.
DSP166HD is superior to normal megaphone for the following points:
(1) High quality audio output, can play MP3 for background music;
(2) With built-in FM module;
(3) With LED light, suitable for working in dark places;
It is an ideal choice for outdoor activities, sport field, police stations, schools, where voice reinforcement is needed.
Output Power of Amplifier
300Hz – 10kHz（-10dB）
4 lithium batteries or 12 dry batteries
Typical Using Time (Max.output)
Speaking, alarm, driving, FM 20h; LED lighting 10h; MP3 15h.
he back view
1. Speaking Microphone: for highly clear speaking.
3. Normal Battery Light: when the any mode is working, the light is on.
4. Volume Knob: switch the volume of speaker.
5. USB Jack: inserting USB disk for the music play.
6. Recording Microphone: when the record mode is working, it gathers sound.
The Gunstock View
1.Alarm Key: open or close alarm mode.
2.Driving Signal Key: open or close driving mode.
3.LED Lighting Key: open or close LED lighting mode.
4.EQ Key: extremely increase product′s STIPA. It′s suitable for using speaking/alarm/driving and recording mode.
5.Recording Key: open/close recording mode. The maximum recording time is 12 seconds.
6.Recording Mode Light: when recording mode or record play mode is working, the light is on.
7.Record Playing Key: press this key to listen what you record.
8.MP3/FM Power Key: open or close MP3/FM mode.
9.MP3/FM Switching Key: switch the mode between MP3 and FM.
10.” Key: Play or pause MP3/FM mode (if the current mode is FM, pressing this key will search broadcasts automatically)
11.“”Key: Select previous MP3 file or FM broadcast.
12.MP3/FM Light: when FM mode is working, it is on all along. When MP3 mode is working, it winks.
13.“”Key: Select next MP3 file or FM broadcast.
14.FM Antenna Jack: when FM mode is working, inserting an antenna will increase the effect of broadcasting sound. (Matching an outer microphone to speak is another function).
15.Charge Light: show the state of charge. When it charges up, it shows red. If it is full, it shows green.
16.Outer Charge Jack: charge the whole system up.
Megaphone′s Priority-Ranked Function
Notice： LED Lighting mode can be in effect when other mode works.
70V, 100V & 4-16 Ω,
MIC: 3.0mV(±0.5mV)LINE: 300mV(±50mV)
Less than 1% (at 1kHz, 1/3 rated output voltage)
The ratio of signal to noise
MIC: more than 71dB LINE:more than 85dB
DC voltage; overload; short-circuit.
Outer Packing Size (mm)
Unit Size (mm)
Copyright © Guangzhou DSPPA Audio Co.,Ltd All Rights Reserved.
NO.1 Xiahe Road, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China