shengyueda handheld megaphone multi-function usb card recording forest fire speaker loudspeaker high volume

Yiwu Hongling Electronic Appliances 15yr.

Contacts Ye linfang Chat

Mobile 86-13857963796

E-mail 553709390@qq.com

13857963796

Click to Contact Yiwugo official customer service for International sourcing.

Yiwugo official customer service X

Whatsapp:

Email： yiwubuy@yiwugo.com

Description

function: sound reinforcement

shell material: plastic

number of speakers: 1

extended storage: not supported

playing time: according to the function

brand; hong ling: charging

with or without radio function: yes

model: sd-10shb-usb

time to market: 2012

origin: hangzhou

source category: spot goods

type: extra large loudspeaker

applicable population: universal

interface type: usb

connection method: 3.5mm audio socket

frequency response range: 40hz-20khz

output power: 50

signal-to-noise ratio: 1

channel: mono

power supply mode: built-in lithium battery

Product Features
60 seconds of recording

Microphone,

Music, alarm

USB/SD/AUX playback

50W high power

Lithium battery
Product Features
Professional design, with a unique and innovative appearance, and easy to use voice transmitter; high power, clear and loud sound quality, stable performance, good frequency characteristics, and low noise. Powered by lithium battery (or 8 x AA batteries), including the lithium battery and vehicle power cord.
Product specifications

Working voltage: 7.4V-12V
Charging time: 5–6 hours
Charging lithium battery: DC 12V/1500mA
Frequency Response: 500Hz–2kHz
Output impedance: 4Ω

Transmission distance: 1000M with wind (depends on the environment)
Frequency Response Range: 50K (Hz)

Distortion Ratio: 1 (%)
Battery usage time: Can be used continuously for 2–10 hours (speech)
Physical dimensions: 350mm high x 230mm aperture

Main venues are used for public advertising and security management for police, fire departments, security guards, stations, tour guides, schools, outdoor activities, sports events, etc.; traffic control, school assemblies, emergency rescue, traffic police restrictions, fan cheering, etc.

Update time：20260328112051