DSP6609 Classroom Voice Amplification

Name: DSP6609 Classroom Voice Amplification
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Simple and beautiful appearance, high-quality engineering plastics, durable and reliable.
● Adopt 2.4G frequency matching with a larger range and stronger anti-interference ability.
● UHF transmission and DPLL multichannel frequency synthesis.
● Digital signal processing (DSP) technology and digital audio power amplifiers for clear sound reinforcement.
● Built-in four full-range speaker units, with clear and bright sound, high-quality tone and high sensitivity.
● Built-in Bluetooth for wireless transmission, and direct control of the speakers via the remote controller.
● The pen transmitter can be used as a conference microphone and can be placed directly into the jacket pocket.
● The pen transmitter is powered by a AAA battery. MINI USB charging interface for the rechargeable battery, which can be charged through computer power or mobile phone charger.

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Introduction
Specification
Connection

The iTeach Series is developed by our company, which integrates iTeach speaker, iTeach microphone and iTeach receiver. The series of products are characterized by beautiful appearance, complete function, high sensitivity and clear sound.It can be used in classrooms, conference rooms and other places with higher requirements for sound quality and functions.

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Specification		Parameters
Speaker	Unit driver	2.75"×4
	Rated power (RMS)	4×10W 4Ω
	Frequency range	650~675MHz
	Frequency response	180Hz~20kHz
	SNR (1m,1W)	≥80dB
	MAX. SPL. (1m)	92dB±2dB
	Bluetooth receiving distance	10m
	Dimension (Dia.×H)	271×88mm
	Weight	0.8kg
Handheld Microphone Transmitter	Working Current	30mA
	Working	Sub1GHz
	Modulation	GFSK Channel
	Bandwidth	1MHz
	RF Power	10dBm
	Full-scale IN	27mVrms
	Full-scale OUT	867mVrms
	Gain Ratio	13.7:1
	System Delay	10ms
	SNR	85dB
	Harmonic	0.2%@1KHz
	Dimension	146.51919mm
	Weight	40.7g

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