Pro Interphone

: http://htdzpro.com/4-5-pro-interphone.html

Professional Intercom Microphone HT-DZ01B

Electret condenser cardioid microphone; Indicator light on active microphone: when microphone is active, indicator light switches on
Monitor speaker of desktop intercom, to monitoring the sound from windows microphone.
Volume knob and on/off switch of monitor speaker for desktop intercom (with indicator).
Volume knob and on/off switch of monitor speaker for windows intercom (with indicator).
SPEAKER: Connection for window intercom, 3.5 mm stereo jack
LINE IN: 3.5 mm jack for reproduction through window intercom
REC OUT: 1 REC, 3.5 mm stereo jack
Power on/off switch
POWER INPUT DC12V
Monitor speaker of window intercom, to monitoring the sound from desktop microphone.
Microphone of window intercom
Call: Press this key to give call indicator to desktop intercom.
Bracket for window intercom (Option 1)

TECHNICAL DATA SHEET
CHARACTERISTICS	Window intercom microphone Quality sound with anti-feedback processor. Duplex two-way sound with communication control. Independent volume knob for window and interior intercom Easy to use.
CONTROLS	On/Off Independent window and interior volume
FUNCTIONS	Automatic communication control, internal intercom priority Anti-feedback processor LED power indicators on desktop intercom Power 2 x 5 W Optimum distance for speaking into window intercom microphone 20 cm The window intercom can be hung or stuck on the glass with the provided. double-sided adhesive pads.
INPUTS	1 microphone-loudspeaker connection for window intercom, 3.5 mm stereo jack 1 line, 3.5 mm jack for reproduction through window intercom
OUTPUT	1 REC, 3.5 mm stereo jack
POWER SUPPLY	12 V DC, 1 A with adapter included
CABLE	2.4 m cable for window intercom
DIMENSIONS	Desktop intercom: 141 x 62 x 142 mm depth Gooseneck microphone: 420mm height Window intercom: Option 1:84 x 124 x 37 mm depth (with bracket) Option 2：145 x 100 x100 mm depth
WEIGHT	1.2 kg
ACCESSORIES	Foam windshield Adhesive pad for window intercom installation

Professional Interphone HT-DZII

Automatic one-to-one 2-way hands-free communication.
This product adopts mainframe and more ascendant congressional MIC is integrative. Appearance is handsome and voice is lifelike, clear and resonant
Sub station has tone arm, could use exterior transmitter which is free to talk with master station.
Individual volume controls for both master station and window sub station.
Built-in recording signal output, which can provide master station and sub station audio output for recording.
Used in any places where conversations need to be assisted.
Working Voltage: DC 12V 600mA
Frequency response: 80Hz-14kHz
MIC sensitivity: -42dB±2 dB