What's the best way to remove the batteries? The first (bottom) battery is easy to remove but the second (top) battery is a bit of a challenge.

Hi, thanks for asking! Please refer to the video. After removing the first battery, the second battery can be easily removed. If the battery is still difficult to remove, please email us at support@phenyxpro.com. Thank you.

We are having issues with mics 5 and 7 they keep popping. How can we fix this issue?

First try fresh batteries. Also try operating each individually to make sure the signal from another mic is not the same. Lastly check for digital interference such as cell phones or older neon lights. If the problem still persists, the bikes are shot.

Is the ptu4000a unit powered by batteries only or ac power? if ac, can it be connected to 200/220v power source.

Hi thanks for asking! The PTU-4000A unit powered ac power. Our power adapter works for 110v - 240v and you can use for it. Thank you!

CAn i place the receiver in a separate room, or does it have to be line of site?

No it doesn’t have to be in the same room but check how many feet it can be away from the microphones

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Wireless Microphone System, 8-Channel UHF Cordless Mic with Metal Handheld Wireless Mics, Fixed Frequency Dynamic Microphone for Karaoke,Church,Singing,DJ,260ft Range (PTU-4000-8H)

Product ID: 243576868

Details

Brand
Phenyx Pro
Color
Black
Compatible Devices
Amplifier PA
Connectivity Technology
6.35 mm Jack
Connector Type
6.35 mm Jack
Model Name
PTU-4000A

🎤8-channel UHF wireless system

📡260ft ultra-stable fixed frequency range

🛠️durable all-metal construction

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117031 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎙️ Own the stage with flawless sound and zero wires!

BUILT TO ENDURE - Rugged metal design resists drops, dust, and mist for heavy use
FREEDOM TO ROAM - Up to 260ft wireless range keeps you moving without dropouts
PRO LEVEL CONTROL - Individual volume knobs and 8 XLR outputs for tailored sound mixing
PLUG AND PLAY SIMPLICITY - Memory switch and snap-on antennas for instant setup
CRYSTAL CLEAR AUDIO PRECISION - Dynamic cardioid mics reject noise for pristine sound clarity

The Phenyx Pro PTU-4000-8H is a professional-grade 8-channel UHF wireless microphone system featuring metal handheld dynamic cardioid mics, a robust 260ft fixed frequency range, and durable all-metal construction. Designed for seamless plug-and-play use with memory retention and individual channel volume control, it’s ideal for karaoke, church services, DJ gigs, and large events requiring reliable, crystal-clear wireless audio.

Specifications

ASIN	B08HS3NPNV
Antenna Location	Church, DJ gigs, Karaoke, Outdoor Events, Singing, Streaming, Wedding, cordless microphone for speaking, wireless mic for teaching, wireless microphone for karaoke, wireless professional microphone for DJ
Best Sellers Rank	#6,579 in Musical Instruments ( See Top 100 in Musical Instruments ) #104 in Handheld Wireless Microphones & Systems
Brand	Phenyx Pro
Built-In Media	8-Channel UHF wireless receiver, 4 Antennas, 8 UHF wireless handheld microphones, Power adapter, 1/4’’ Audio cable, User’s manual, 16 AA batteries for long hour operation
Color	Black
Compatible Devices	Amplifier, Audio Mixer, Karaoke Machine, PA System, Speaker
Connectivity Technology	6.35 mm Jack, UHF, XLR
Connector Type	6.35 mm Jack, XLR
Customer Reviews	4.6 4.6 out of 5 stars (462)
Enclosure Material	Metal
Frequency Range	530 MHz - 930 MHz
Global Trade Identification Number	05059116311864
Hardware Platform	Karaoke Machine, PC, Television
Item Dimensions	20.55 x 9.92 x 6.69 inches
Item Weight	6.33 Kilograms
Manufacturer	Phenyx Pro
Maximum Frequency	18 KHz
Mfr Part Number	DEMK-JS-0302-024
Microphone Form Factor	Handheld
Minimum Frequency	50 Hz
Model Name	PTU-4000A
Model Number	PTU-4000A
Number of Batteries	16 AA batteries required. (included)
Number of Channels	8
Polar Pattern	Unidirectional
Power Source	Battery Powered
Signal-to-Noise Ratio	105 dB
Special Feature	Built to Last, Classic Cardioid Pickup, Individual Volume Control, memory switch, plug and go
Unit Count	1 Count

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