How can i huy just the microphones?

You can buy them from GTD Audio. Go to gtdaudio.net and search for 787

What kind of rechargeable batteries can you use in this unit, they can be used because I try Duracell but they are a little fat and someone broke one.

** DO NOT DO NOT ** Use rechargeable batteries in microphones (or any device) that uses standard batteries!! Standard batteries are 1.5volts. Rechargeable are 1.2 volts. So if you microphone uses two batteries, it is working with 3 volts. However, if you are using rechargeable batteries, you are only giving it 2.4 volts which means it may have reduced range and cause other problems, as 2.4 volts is like weak regular batteries. When someone like Shure provides a rechargeable battery pack option, the pack is actually containing THREE batteries in the pack - even though it fits into a two battery compartment thereby providing 3.6 volts for a 3 volt device. Again... you will have many problems if you try to use rechargeable batteries in a device like this!!

Does this system have echo cancellation built in? (to avoid ringing / resonance)?

It does not and these mics are fairly susceptible to feedback, however you can usually eq the rings out just fine or use the gain control on the receiver to decrease the sensitivity.

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GTD Audio 4x800 Selectable Frequency Channel UHF Diversity Wireless Hand-held/Lavaliere Headset Microphone Mic System (4 Hand held Mics)

GTD Audio 4x800 Selectable Frequency Channel UHF Diversity Wireless Hand-held/Lavaliere Headset Microphone Mic System (4 Hand held Mics)

Product ID: 446478406

Details

Recommended uses for product
Karaoke
Brand
GTD Audio
Model name
G-787H
Connectivity technology
UHF
Connector type
XLR
Special feature
Wireless

🎤4 handheld mics included

📡600 ft wireless range

📶800 selectable frequencies/channel

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Description

🎙️ Own the stage with wireless freedom and pro-level precision!

AUTO FREQUENCY SYNC - Smart scanning and transmitter setup for instant, hassle-free channel matching
PRO GRADE SOUND CLARITY - 120 dB signal-to-noise ratio delivers pristine audio with zero interference
ULTRA LONG WIRELESS REACH - Up to 600 feet range keeps you moving freely without losing connection
SEAMLESS MULTI MIC MASTERY - Supports up to 40 mics simultaneously for flawless group performances
TRUE DIVERSITY RELIABILITY - Dual-antenna tech slashes dropouts, ensuring crystal-clear sound every time

The GTD Audio G-787H is a professional UHF wireless microphone system featuring 4 handheld mics, 800 selectable frequencies per channel, and true diversity operation for superior range and reliability. With automatic frequency scanning and transmitter synchronization, it supports up to 40 microphones simultaneously over a 600-foot range, delivering crystal-clear sound ideal for events, karaoke, and live performances.

Specifications

ASIN	B07KRMX7VH
Antenna Location	Karaoke, Singing
Audible Noise	120 Decibels
Audio Sensitivity	85 Decibels
Box Contents	Receiver, Transmitter
Brand	GTD Audio
Brand Name	GTD Audio
Colour	Black
Compatible Devices	Headphone
Connectivity Technology	UHF
Connectivity technology	UHF
Connector Type	XLR
Connector type	XLR
Enclosure Material	Metal
Frequency Response	590 MHz
Hardware Platform	Karaoke Machine
Item Dimensions	43.2 x 17.8 x 5.1 centimetres
Manufacturer	GTD Audio
Manufacturer Part Number	G 787
Microphone Form Factor	microphone system
Model Name	G-787H
Model Number	G 787
Model name	G-787H
Number of Channels	4
Polar Pattern	Omnidirectional
Power Source	Corded Electric
Recommended uses for product	Karaoke, Singing
Signal-to-Noise Ratio	120 dB
Special Feature	Wireless
Special feature	Wireless
UPC	854318007356
Unit Count	1.0 count

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€ 855.73

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to GERMANY.

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