1. Introducció
The Pyle PDWM4120 is a professional UHF wireless microphone system designed for clear audio transmission across various applications. This system provides wireless freedom and high-quality sound for karaoke, public address (PA) systems, speeches, weddings, church events, and other stage or studio performances. Featuring four handheld microphones and a receiver base with multiple connectivity options, it ensures reliable performance and ease of use.

Figure 1: Pyle PDWM4120 UHF Wireless Microphone System Overview
2. Què hi ha a la caixa
El sistema Pyle PDWM4120 inclou els components següents:
- Base del receptor de micròfon
- (4) Micròfons de mà sense fils
- RCA-to-Aux (3.5mm) Cable (4.6 ft)
- Aux (3.5mm) Audio Cable (3.3 ft)
- 1/4'' -inch (6.3mm) Audio Cable (3.3 ft)
- Adaptador d'alimentació

Figura 2: Contingut del paquet
3. S'ha acabat el sistemaview & Controls
The system consists of a central receiver unit and four wireless handheld microphones. The receiver features individual volume controls for each microphone, along with master volume, echo, and music volume adjustments. It also includes integrated antennas for extended wireless range and a digital display for selectable mic frequencies.

Figure 3: Receiver Front and Rear Panels
4. Instruccions de configuració
- Alimentació del receptor: Connect the included power adapter to the DC 12V input on the rear panel of the receiver and plug it into a power outlet.
- Connexió d'antenes: Attach the two antennas to the ANT A and ANT B connectors on the rear of the receiver. Ensure they are securely fastened.
- Connexió a un sistema d'àudio:
- Connexió per cable: Use the provided 1/4'' -inch (6.3mm) audio cable or RCA-to-Aux (3.5mm) cable to connect the receiver's 1/4'' -inch (6.3mm) unbalanced mixed output or Aux (3.5mm) audio output jacks to your amplifier, stereo, audio processor, DJ mixer, or PA system.
- Connexió Bluetooth: The receiver has Bluetooth 4.2 for wireless music streaming. Enable Bluetooth on your external device (smartphone, tablet, laptop) and search for 'Pyle' to pair.
- Microphone Battery Installation: Each handheld microphone requires (2) x 'AA' batteries (not included). Unscrew the bottom portion of each microphone to access the battery compartment and insert the batteries, observing correct polarity.
- Encès: Turn on the receiver using the power ON/OFF switch. Then, turn on each handheld microphone using its power switch. The microphones will automatically connect to the receiver.
Video 1: Portable UHF Wireless Microphone System - PDWM4120 Setup Guide
5. Instruccions de funcionament
- Control de volum: Adjust the independent channel volume controls (VOL.A, VOL.B, VOL.C, VOL.D) on the receiver for each microphone to balance vocal levels. The receiver also features master volume, echo, and music volume adjustments.
- Selecció de freqüència: The system offers 50 selectable UHF channels per microphone. Use the digital display on the microphones to view and select frequencies if interference is encountered.
- Transmissió de música Bluetooth: Once paired via Bluetooth, you can stream music directly from your external device through the receiver.
- Voice-Over/Talk-Over Ability: This feature allows for convenient microphone voice-over or talk-over functionality when streaming music via Bluetooth.
- Acoustic Pop Filter: The built-in acoustic pop filter helps reduce plosive sounds and breath noise for crisp audio clarity.

Figure 4: Independent Channel Volume Control
Video 2: Pyle UHF Wireless Microphone System Overview
6. Manteniment
- Substitució de la bateria: Replace 'AA' batteries in the microphones when the low battery indicator appears on the microphone's digital display.
- Neteja: Regularly wipe down the microphones and receiver with a soft, dry cloth. For hygiene, the microphone grilles can be carefully unscrewed and cleaned.
- Emmagatzematge: Guardeu el sistema en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes quan no l'utilitzeu.
7. Solució De Problemes
- Sense so:
- Ensure the receiver is powered on and connected correctly to your audio system.
- Check if microphones are powered on and have fresh batteries.
- Verify all volume controls on the receiver and your audio system are turned up.
- Interferències/Mala qualitat del so:
- Try changing the frequency on the microphones. The system offers 50 channels for selection.
- Ensure the antennas on the receiver are fully extended and positioned for optimal reception.
- Move the receiver closer to the microphones or away from potential sources of interference (e.g., Wi-Fi routers, other wireless devices).
- Micròfon no connectat:
- Ensure both the receiver and microphone are powered on.
- Check microphone batteries.
- If frequencies were manually changed, ensure the microphone and receiver are on compatible channels.
8. Especificacions
| Característica | Especificació |
|---|---|
| Funcionament sense fil | UHF Band |
| Freqüència del transmissor | Selectable (50 Channels) |
| Microphone Element/Type | Dinàmic |
| Recollida/Patró polar | Unidireccional |
| Interval de funcionament sense fil | Up to 165'+ ft |
| Estabilitat de freqüència | 95DB |
| Potència transmesa | 10 mW |
| Interval dinàmic | >95DB |
| Material de construcció | Metal Alloy Receiver Base, Half Engineered ABS & Half Metal Mics |
| Mics Battery Operated | (2) x 'AA' Batteries (Each) |
| Font d'alimentació | 120/240 V (adaptador de corrent de 12 V) |
| Handheld Mic Size (L x W x H) | 9.8'' x 2.2'' x 2.2'' -inches (Each) |
| Mic Receiver Base Size (L x W x H) | 7.5'' x 3.6'' x 1.7'' polzades |
| Tecnologia de connectivitat | Bluetooth 4.2 |
| Pes de l'article | 4.86 lliures |
9. Garantia i Suport
For detailed warranty information, technical support, or service inquiries, please refer to the official Pyle USA weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el rebut de compra per a reclamacions de garantia.





