--- product_id: 526475433 title: "Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B)" brand: "phenyx pro" price: "VT205934" currency: VUV in_stock: true reviews_count: 8 category: "Phenyx Pro" url: https://www.desertcart.vu/products/526475433-quad-channel-wireless-in-ear-monitor-system-mono-iem-system store_origin: VU region: Vanuatu --- # 4 mono wireless bodypacks with crystal-clear mixes 4x25 UHF frequencies for interference-free sound 164 ft wireless range for stage freedom Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) **Brand:** phenyx pro **Price:** VT205934 **Availability:** ✅ In Stock ## Summary > 🎤 Own the stage, ditch the wires, and hear every note like a pro! ## Quick Answers - **What is this?** Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) by phenyx pro - **How much does it cost?** VT205934 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/526475433-quad-channel-wireless-in-ear-monitor-system-mono-iem-system) ## Best For - phenyx pro enthusiasts ## Why This Product - Trusted phenyx pro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Freedom to Move:** Up to 164 ft line-of-sight wireless range means no more tangled cables or stage restrictions—own your space. - • **Built to Last & Perform:** Sturdy metal enclosure and ultra-durable receiver clips keep your gear secure through every jump and move. - • **Quad-Channel Powerhouse:** Simultaneously monitor 4 independent mixes with zero delay—perfect for tight-knit bands and pro setups. - • **Pro-Grade Rackmount Design:** Compact 16.5-inch transmitter with included antenna rackmount kit saves precious studio or tour rack space. - • **Interference-Free UHF Spectrum:** 25 selectable UHF frequencies per channel ensure your sound stays pure and uninterrupted, even in busy RF environments. ## Overview The Phenyx Pro PTM-33-4B is a professional-grade quad-channel mono wireless in-ear monitor system designed for bands, studios, and live events. Featuring 4 bodypack receivers, 4x25 UHF frequencies, and a robust 164 ft wireless range, it delivers interference-free, crystal-clear mixes with zero latency. Its compact rackmount transmitter and durable build make it ideal for touring musicians and sound engineers seeking reliable, high-quality monitoring without the clutter. 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The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. video Merchant Video (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/61RaSCC9rWL.js?AUIClients/VSEPlayer'); (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/31NffgTEMJL._RC|01x4giTy+uL.js,01r9LpT6pbL.js,41NWBkfooBL.js,11QfrzttlqL.js,91VXiFQ1TCL.js,01ELLYeIOkL.js_.js?AUIClients/Brila'); (function(f) {var _np=(window.P._namespace("vse-ns-initVSEPlayerOnLoad"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { P.when('VSEPlayer').execute(function(vsePlayer){vsePlayer.initPlayer('aplus-79645-player-3461089a-d4b7-4999-970d-0e42b86d46f0-player-ps');}); //Please use below event to register FeedbackForm P.when('A', 'VSEComponentAssets').execute('vse-ns-player-initialization', function(A, asset) { A.trigger('vse:ns:player:aplus-79645:init', 'aplus-79645-player-3461089a-d4b7-4999-970d-0e42b86d46f0-player-ps'); }); })); IR SYNC How to pair up a bodypack with the transmitter? 1. Power up the transmitter after connecting it to your signal-sending devices, and power up the bodypack receiver. 2. Press the Group and Channel buttons to select a desired frequency for a channel. 3. Press the Sync button of the designated channel to activate IR sync progress. 4. Vertically aim the IR window of the bodypack to that of the transmitter to pair them up. DAISY CHAIN How to make a daisy chain connection? If you want to send a signal (e.g., AUX 1 signal) to all channel receivers, please connect the signal-sending device to a LOOP OUT left/right jack and then daisy chain this signal to corresponding left/right inputs of other channels, according to the sample. RACK MOUNT How to rack mount the PTM-33 by our kit? 1. Prepare a standard 19-inch rack case for rackmount workflow. 2. Install two rack ears to the transmitter. 3. Connect two extension cables to the transmitter. 4. Mount the transmitter on the rack and then front mount each antenna. The Line Up PTM-33 No. of Monitor Mix 4 No. of Frequency 4x25 Frequency Range 902 - 928MHz Mono/Stereo Mono only Audio Inputs 1/4" TS Audio Outputs Stereo 1/4" TS Operating Distance 164ft/50m Learn More PTM-33 No. of Monitor Mix 4 No. of Frequency 4x25 Frequency Range 902 - 928MHz Mono/Stereo Mono only Audio Inputs 1/4" TS Audio Outputs Stereo 1/4" TS Operating Distance 164ft/50m PTM-11 No. of Monitor Mix 1 No. of Frequency 1x50 Frequency Range 902 - 928MHz Mono/Stereo Mono only Audio Inputs 1/4" TS Audio Outputs Stereo 1/4" TS Operating Distance 164ft/50m Learn More PTM-11 1 1x50 PTM-22 No. of Monitor Mix 2 No. of Frequency 2x50 Frequency Range 902 - 928MHz Mono/Stereo Mono only Audio Inputs 1/4" TS Audio Outputs Stereo 1/4" TS Operating Distance 164ft/50m Learn More PTM-22 2 2x50 PTM-10 No. of Monitor Mix 1 No. of Frequency 1x89 Frequency Range 902 - 928MHz Mono/Stereo Mono/Stereo Audio Inputs 1/4" TRS & XLR Audio Outputs 1/4" TRS Operating Distance 164ft/50m Learn More PTM-10 1x89 1/4" TRS & XLR 1/4" TRS ## Features - INGENIOUS INTEGRATED MONITOR STATION. The 4-channel wireless monitor provides 4 groups of left/right inputs and loop outputs, requiring only four auxiliary jacks on one audio mixer to satisfy diversified monitoring requirements for a four-member band. It allows you to flexibly daisy chain audio signals. Up to 4 standalone mixes and no delay in sound enable you to hear your own mix crystal-clearly. - EXCEPTIONAL MONO MONITORING EXPERIENCE. The mono wireless in ear audio monitor system has 4x25 UHF frequencies to avoid interference. Enjoy a clutter-free stage to move freely with a 140-164ft interference-free range line of sight. Mono in-ear monitoring only, and you can easily focus on your content without delay, feedback or ambient noises. IR sync for quickly linking up as many receivers as you want. *Please avoid thick walls, glass, and metal blocks for longer distances. - PROFESSIONALISM MEETS CONVENIENCE. The 42cm/16.5in studio audio monitor meets various monitoring needs, saving the rack space and making it easier to tour around. The widely-compatible 1/4" TS jack of the transmitter and the antenna rackmount kit included in the package facilitate your easy rackmount workflow. The UHF mono in ear monitor system works perfectly in sound-monitoring events for stage musicians, sound engineers, church bands, gig bands, MCs, etc. - BOX CONTENTS: 1 x wireless IEM transmitter, 4 x UHF bodypack IEM receiver, 4 x in-ear earphone, 1 x power adapter, 2 x antenna, 1 x antenna rackmount kit, 1 x user manual, 8 x AA battery. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BXSJ5HQM | | Additional Features | Lightweight | | Age Range Description | Adult | | Audio Driver Type | Dynamic Driver | | Best Sellers Rank | #3,863 in Musical Instruments ( See Top 100 in Musical Instruments ) #12 in Recording In-Ear Audio Monitors | | Brand | Phenyx Pro | | Brand Name | Phenyx Pro | | Built-In Media | User Manual | | Cable Features | Without Cable | | Color | Black | | Compatible Devices | Audio Mixers, Wireless Microphones, In-Ear Earphones, Headphones, Earbuds, PTM-11/22/33 Bodypack Receivers | | Connectivity Technology | Wireless | | Control Method | Remote | | Customer Reviews | 4.3 out of 5 stars 164 Reviews | | Ear Placement | In Ear | | Earpiece Shape | Rounded tip | | Enclosure Material | Metal | | Form Factor | In Ear | | Frequency Range | UHF | | Headphone Folding Features | In Ear | | Headphone Jack | 3.5 mm Jack | | Headphones Ear Placement | In Ear | | Headphones Jack | 3.5 mm Jack | | Manufacturer | Phenyx Technology,LLC | | Model Name | PTM-33 | | Model Number | PTM-33 | | Noise Control | Sound Isolation | | Number of Items | 4 | | Series Number | 33 | | Specific Uses For Product | Music | | UPC | 850033601459 | | Unit Count | 4.0 Count | | Water Resistance Level | Not Water Resistant | | Wireless Technology | Infrared | ## Product Details - **Brand:** Phenyx Pro - **Color:** Black - **Ear Placement:** In Ear - **Form Factor:** In Ear - **Noise Control:** Sound Isolation ## Images ![Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) - Image 1](https://m.media-amazon.com/images/I/61XkhCBX4NL.jpg) ![Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) - Image 2](https://m.media-amazon.com/images/I/714xGafAYaL.jpg) ![Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) - Image 3](https://m.media-amazon.com/images/I/71a7p8NkzQL.jpg) ![Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) - Image 4](https://m.media-amazon.com/images/I/71+7WlxEL9L.jpg) ![Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) - Image 5](https://m.media-amazon.com/images/I/61q2zkcZgtL.jpg) ## Questions & Answers **Q: Can I run two different signals into the left and right of one channel then connect two body packs to that channel and have two separate feeds?** A: Hi, thanks for reaching out. Unfortunately no. The PTM-33 is a mono system, which means both left and right input will be heard on left and right ears at the same time. You would need a stereo system such as our PTM-10 to do what you described. Thanks. **Q: Can this be used with the two receiver system?** A: Hi, thanks for reaching out. Are you talking about the PTU-71 wireless mic system? Yes, all of our microphone systems are compatible with our microphone systems. **Q: Do you sell body packs to add on and what is the price** A: Hi, thanks for reaching out. The bodypack of the PTM-11/22 is compatibel with the PTM-33 system. You can purchase it directly on Amazon. Thanks. **Q: My mixer only has xlr balanced outputs. Can i adapt to 1/4 in and it work ok ?** A: Hi, thanks for reaching out. Yes, you can purchase a 1/4” to XLR cable to connect the IEM to your mixer. Here is an example: https://www.amazon.com/DREMAKE-Microphone-Splitter-Adapter-Unbalanced/dp/B0B7BKGJQN/ref=sr_1_5?keywords=1%2B4%2Bxlr%2Badapter&qid=1685179978&sr=8-5&th=1 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by T***T on November 19, 2023* ### ⭐⭐⭐⭐⭐ Review *by L***C on March 6, 2026* ### ⭐⭐⭐⭐ Review *by N***N on October 24, 2024* ## Frequently Bought Together - Phenyx Pro Quad-Channel Wireless in Ear Monitor System, Mono IEM System w/ 4 Bodypacks, 4x25 UHF Frequencies, Rack Mount, 164 ft Range, Wireless in Ear Monitor for Bands/Studio (PTM-33-4B) - Phenyx Pro Wireless Microphone System, Quad Channel Wireless Mic, w/ 4x40 UHF Frequencies, Auto Scan, 328ft Long Range, 4 Handheld Dynamic Microphone for Singing, Church, Karaoke (PTU-7000-4H) - Phenyx Pro PAS-225X UHF Wireless Antenna Distribution System Bundle, Active Directional Receivers w/ 8 Outputs + 2 Cascade Ports, 160ft Long Coverage, Wireless Mic Antenna for Stages and Live Shows --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/526475433-quad-channel-wireless-in-ear-monitor-system-mono-iem-system](https://www.desertcart.vu/products/526475433-quad-channel-wireless-in-ear-monitor-system-mono-iem-system) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-04*