1. Introduction
Thank you for purchasing the JVC Portable Wireless Amplifier PE-W50CDB. This compact and lightweight audio system is designed for various applications, offering powerful and clear sound reproduction. Featuring a built-in CD player and versatile power options, it is ideal for presentations, events, and public address needs. This manual provides essential information for the safe and efficient operation of your amplifier.

Figure 1.1: JVC Portable Wireless Amplifier PE-W50CDB. This image shows the front and side view of the compact, grey and white amplifier unit.
2. Key Features
- Compact and Lightweight Design: B4 size, making it easy to transport and fit into various spaces.
- High-Quality Sound: Engineered to deliver clear bass and powerful midrange frequencies.
- "Talk Master Mode": Enhances vocal clarity, making speech easier to hear and reducing listener fatigue.
- Powerful Output: Despite its compact size, it provides a maximum output of 25W for clear broadcasting.
- Built-in CD Player: Supports playback of audio CDs and data CDs (MP3 format).
- USB Playback: Equipped with a USB terminal for easy playback of MP3 audio files.
- Versatile Power Options: Operates on AC100V power or 10 D-size alkaline dry cell batteries (2-way power supply).
- Built-in Speaker Switch: Allows switching between the internal speaker and external speakers.
- Multiple Inputs: Includes 1 microphone input, 2 wireless tuner inputs, and 1 external input.
- Audio Output: Features 1 audio output system for connecting to other devices.
- Cascade Connection: Multiple units can be connected in a cascade for increased output.
- Battery Level Indicator: Provides an indication of remaining battery life.

Figure 2.1: Overview of key features including easy operation, Talk Master Mode, built-in speaker switch, and CD player functionality.

Figure 2.2: This image highlights the ability to use up to three microphones simultaneously and other features like compact design, sound quality, and power saving options.
3. Setup
3.1 Unpacking and Inspection
Carefully remove the amplifier from its packaging. Verify that all components are present and undamaged. Retain the packaging for future transport or storage.
3.2 Power Connection
- AC Power: Connect the supplied AC power cord to the AC IN terminal on the amplifier and then to a standard AC100V outlet.
- Battery Power: For portable use, open the battery compartment and insert 10 D-size alkaline dry cell batteries, ensuring correct polarity. The unit can operate for approximately 4 hours on battery power when the CD player and wireless tuner are off.
3.3 Connecting Microphones and External Devices
Refer to the rear panel diagram for connection points.

Figure 3.1: Detailed view of the amplifier's rear panel, showing inputs for microphones, external devices, power, and the wireless tuner slot. The image also indicates the carrying handle, CD player section, USB terminal, and storage pocket.
- Microphone Input: Connect a wired microphone to the MIC INPUT jack.
- Wireless Tuner Input: If using wireless microphones, install the optional wireless tuner unit(s) into the designated slots. The unit supports up to two wireless tuners.
- External Input: Connect external audio sources (e.g., a portable audio player) to the EXTERNAL INPUT jack.
- Audio Output: Use the AUDIO OUTPUT jack to connect to another amplifier for cascade connection or to an external recording device.

Figure 3.2: This diagram illustrates various system configurations, including wired microphones, portable audio, CD, USB memory, and wireless microphones. It also provides a detailed external dimensions diagram of the unit.
4. Operating Instructions
4.1 Powering On/Off
Press the POWER switch to turn the unit ON or OFF. Ensure all connections are secure before powering on.
4.2 Volume Control
Adjust the volume for each input using the corresponding knobs on the top panel:
- MIC Volume: Controls the volume of connected wired microphones.
- WIRELESS TUNER Volume: Controls the volume of wireless microphones connected via the tuner.
- EXTERNAL INPUT Volume: Controls the volume of devices connected to the external input.
- MASTER Volume: Adjusts the overall output volume of the amplifier.
4.3 CD Playback
- Open the CD tray and insert an audio CD or a data CD (MP3).
- Close the CD tray.
- Use the playback controls (Play, Pause, Stop, Skip) on the CD player section to manage playback.
- Adjust the CD volume as needed.
- The CD player also features Pitch Control (±10%) and Repeat Playback functions.
4.4 USB Playback
- Insert a USB flash drive containing MP3 audio files into the USB terminal.
- The unit will automatically detect and begin playback of compatible files.
- Use the playback controls on the CD player section (which also control USB playback) to manage your audio.
4.5 "Talk Master Mode"
Activate the "Talk Master Mode" switch (located on the rear panel) to enhance vocal clarity. This mode emphasizes the contours of the voice, making it easier to understand even at the same volume level, reducing fatigue for both speaker and listener.
4.6 Built-in Speaker Switch
If an external speaker is connected, you can use the "Built-in Speaker" switch (located on the rear panel) to turn off the internal speaker, directing audio output solely to the external speaker.
5. Maintenance
5.1 Cleaning
Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents. For stubborn stains, use a cloth lightly dampened with water and a mild detergent, then wipe dry.
5.2 Battery Replacement
When the battery level indicator shows low power, replace all 10 D-size alkaline dry cell batteries. Ensure correct polarity when inserting new batteries.
5.3 Storage
If storing the unit for an extended period, remove all batteries to prevent leakage and damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | AC cord not connected; Batteries depleted or incorrectly inserted. | Check AC cord connection; Replace batteries, ensuring correct polarity. |
| No sound output | Volume too low; Input device not connected properly; Built-in speaker switch off (if external speaker not connected). | Increase volume; Check all input connections; Ensure built-in speaker switch is ON if no external speaker is used. |
| Distorted sound | Volume too high; Input signal too strong; Speaker impedance mismatch (if external speaker). | Reduce volume; Check input level; Ensure external speaker impedance matches amplifier. |
| CD/USB not playing | Disc dirty/scratched; Incorrect file format on USB; USB drive not inserted correctly. | Clean or replace disc; Ensure files are MP3 format; Reinsert USB drive. |
7. Specifications
| Feature | Description |
|---|---|
| Microphone Input | 1 system |
| Wireless Tuner Input | 2 systems |
| External Input | 1 system |
| Audio Output | 1 system |
| Frequency Response | 50Hz ~ 18kHz |
| Speaker | 16cm Double Cone Type |
| Rated Output | 22W (AC Power) |
| Maximum Output | 25W (AC Power) |
| Battery Life | Approx. 4 hours (Alkaline dry cells, CD/Wireless Tuner OFF) |
| Power Supply | AC100V 50/60Hz or 10 D-size dry cells (Alkaline) |
| Power Consumption | 17W~22W (Electrical Appliance Safety Law) |
| Dimensions (W x H x D) | 262mm x 369mm x 240mm |
| Weight | 5.5kg ~ 6.6kg |
| CD Player | Audio CD, Data CD (MP3) |
| USB Playback | MP3 |
| Speed Control (CD/USB) | -10% ~ +10% |

Figure 7.1: A comprehensive table detailing the technical specifications of the PE-W50CDB amplifier, including inputs, outputs, frequency response, power, dimensions, and media compatibility.
8. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official JVC Kenwood website. For technical support, troubleshooting beyond this manual, or inquiries about replacement parts and accessories, please contact JVC Kenwood customer service or your authorized dealer.

Figure 8.1: This image displays various optional accessories compatible with the PE-W50B series, including wireless microphones (handheld, pendant), chargers, wireless tuner units (single, diversity), and a carrying bag.
