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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GTDaudio 4x800 Channels UHF Diversity Wireless Cordless Microphone System | Ideal for Church, Karaoke, Dj Party, Range 450ft (4 Handheld Mics)

GTDaudio 4x800 Channels UHF Diversity Wireless Cordless Microphone System | Ideal for Church, Karaoke, Dj Party, Range 450ft (4 Handheld Mics)

Product ID: 92847119

Details

Brand
GTDaudio
Color
Black Silver
Compatible Devices
Headphone
Connectivity Technology
Wireless
Connector Type
XLR
Included Components
4 Handheld

🎤4 professional handheld mics

📡450ft UHF wireless range

📶800 selectable frequencies/channel

2457.91 DT

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Description

🎤 Elevate your sound game—wireless freedom that commands the stage!

PLUG PLAY SYNC - Instant transmitter-receiver pairing for rapid setup—get your event started in seconds.
SMART AUTO FREQUENCY SCAN - Automatically locks onto the clearest channel, eliminating audio disruptions effortlessly.
TRUE DIVERSITY RELIABILITY - Experience dropout-free performances with advanced dual-antenna diversity technology.
CRYSTAL CLEAR AUDIO CLARITY - Tone Lock squelch circuit ensures pristine sound by blocking unwanted noise and interference.
SEAMLESS MULTI CHANNEL MASTERY - Operate up to 20 sets simultaneously without interference—perfect for large-scale events.

The GTDaudio G-787 wireless microphone system delivers professional-grade audio with 4 handheld mics, 800 selectable frequencies per channel, and a robust 450-foot UHF range. Featuring true diversity operation and automatic frequency scanning, it guarantees reliable, interference-free sound for churches, karaoke, DJ parties, and more. Designed for seamless multi-set use, this system ensures crystal-clear, dropout-resistant performances every time.

Specifications

ASIN	B07KRMX7VH
Antenna Location	Church, Karaoke, DJ Party
Audible Noise	120 Decibels
Audio Sensitivity	85 Decibels
Best Sellers Rank	#22,356 in Musical Instruments ( See Top 100 in Musical Instruments ) #279 in Handheld Wireless Microphones & Systems
Brand	GTDaudio
Built-In Media	4 Handheld Microphones, Receiver
Color	Black, Silver
Compatible Devices	Headphone
Connectivity Technology	Wireless
Connector Type	XLR
Customer Reviews	4.4 4.4 out of 5 stars (487)
Enclosure Material	Metal
Frequency Response	590 MHz
Hardware Platform	Karaoke Machine
Item Dimensions	17 x 7 x 2 inches
Manufacturer	GTD Audio Inc
Mfr Part Number	G 787
Microphone Form Factor	Handheld
Model Name	G-787H
Model Number	G 787
Number of Channels	4
Polar Pattern	Omnidirectional
Power Source	Battery Powered
Signal-to-Noise Ratio	120 dB
Special Feature	True diversity operation, Automatic frequency scanning, Automatic transmitter setup, Adjustable channels, Tone Lock squelch circuit
UPC	854318007356
Unit Count	1 Count

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2457.91 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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