Phenyx Pro PTM-33-4B | UHF Mono Wireless In-Ear Monitor System w/ 4 Loop Outputs

Phenyx Pro PTM-33-4B - Your Ultimate UHF Mono Wireless In-Ear Monitor System

Innovative 4-Channel IEM. Designed for Live Bands.

The Phenyx Pro PTM-33-4B UHF Mono Wireless In-Ear Monitor System is built for bands and performers who demand professional monitoring flexibility. With four stand-alone mixes under one system, this IEM setup eliminates the need for bulky floor monitors, delivering crystal-clear mono audio with zero latency.

Designed with Loop Outputs for daisy-chaining, selectable UHF frequencies, and rugged construction, the PTM-33-4B provides a reliable, expandable, and affordable IEM solution for live shows, touring bands, and studios.

Key Features

•  4-channel IEM system — supports four independent monitor mixes.

•  Crystal-clear mono audio with zero latency for live monitoring.

•  LOOP OUT design for flexible daisy-chain routing.

•  Selectable UHF frequencies to avoid interference.

•  Quick IR sync + one-touch frequency selection for fast setup.

•  Durable build for receivers and bodypacks with sleek design.

•  Operation range: up to 164 ft (50m).

•  Battery life: >6 hours per bodypack.

•  Rack-mountable with brackets included.

•  Expandable: add unlimited receivers tuned to the same frequency.

•  Frequency groups:

  • 902.35–927.6 MHz (4 × 25 channels)

  • 542.55–579.8 MHz (4 × 25 channels)

Operation Principle

The PTM-33-4B connects your mixer, playback device, or mic source to the transmitter base unit, which converts the signal into UHF radio waves. These are sent to the bodypack receivers, delivering latency-free, reliable sound to performers’ earphones. This ensures freedom of movement on stage while maintaining accurate monitoring.

Technical Specifications

System:

• Frequency Range: 530–580 MHz / 902–928 MHz (regional regulations apply)

• Working Distance: 164 ft (50m)

• Frequency Response: 50Hz–16kHz

• Dynamic Range: >90dB

Transmitter:

• Output Level: 10dBm

• Max Input Level: +6dBV

• Gain Adjustment Range: 40dB

• Input Impedance: 6.8kΩ

• Power: AC 110V–240V, 50/60Hz → DC 13.5V, 500mA

Bodypack Receiver:

• Sensitivity: -90dBm

• Audio Input Level: 80mV

• Battery Life: >6 hours

Unmatched Audio Clarity and Range

The Phenyx Pro PTM-33-4B is a sophisticated UHF Mono Wireless In-Ear Monitor System designed for professional musicians and audio engineers. With advanced technology, this system strives to deliver crystal-clear sound quality and an extensive range. It effortlessly eliminates interference, so you can focus on your performance without worrying about audio dropouts. Its dependable design makes it an ideal choice for live events.

Four Loop Outputs for Greater Flexibility

What sets the PTM-33-4B apart is its four loop outputs, allowing for versatile connectivity options. This feature means that you can send audio feeds to multiple receivers or integrate with other systems seamlessly. Therefore, whether you are a solo artist or part of a larger band, you can easily customize your monitoring setup. It’s built for flexibility, accommodating various performance scenarios effortlessly.

Easy Setup and User-Friendly Design

With the Phenyx Pro PTM-33-4B, ease of use is paramount. The user-friendly interface ensures a quick setup process, meaning you can spend less time troubleshooting and more time performing. The compact size and lightweight design make it portable and suitable for both studio and on-stage use. So, whether you're rehearsing or performing live, this system provides reliability and efficiency at every turn.

Inside Kathmandu Valley:

• Orders before 11 AM → Same-day delivery
• Orders after 11 AM → Next-day delivery

Outside Kathmandu Valley:

• Orders before 11 AM → Next-day delivery
• Orders after 11 AM → Delivered the day after tomorrow