The TOA WS-402 Dual Channel Wireless Microphone Set is a versatile and cost-efficient audio solution designed for professional sound applications. This set includes a handheld microphone, lavalier microphone, wireless transmitter, and dual-channel receiver, providing everything needed for high-quality wireless audio transmission. It supports up to 16 selectable channels (depending on the region), with tunable frequencies in 25 kHz steps for optimal performance in various environments.

The handheld microphone uses a dynamic cardioid element, offering an audio frequency response of 80Hz to 15kHz. It provides a maximum input level of 140 dB SPL, ensuring excellent clarity even with loud sound sources. Powered by a single AA alkaline battery (1.5V), the handheld microphone offers approximately 10 hours of continuous use, making it an efficient and reliable choice for extended use in events, conferences, or performances. The battery status is indicated by a convenient LED light.

The wireless transmitter features a back electret condenser microphone with omnidirectional pickup and a frequency response of 50Hz to 15kHz. It also operates on a single AA battery, providing up to 10 hours of use. The transmitter’s battery life is easily monitored using a battery status LED and 7-segment display, ensuring uninterrupted operation.

The dual wireless receiver uses diversity reception with a high sensitivity of 10µV at 45dBA S/N, ensuring stable signal reception even in challenging environments. It features tone SQ, carrier SQ, and noise SQ for noise reduction, delivering clear audio without interference. The receiver offers balanced XLR and unbalanced ¼” jack audio output options for flexible connectivity.

For easy setup, the system comes with an AC adapter, microphone holder, screw driver, and lavalier microphone. The receiver is rack-mountable with optional mounting brackets (sold separately). The system operates within a temperature range of -10°C to +50°C, making it suitable for a wide range of environments.

Key Features:

• Battery Life: 10 hours with 1 AA alkaline battery for handheld microphone and wireless transmitter

• Frequency Range: 694–806 MHz UHF with 16 selectable channels for interference-free operation

• Microphone Type: Dynamic cardioid handheld microphone and omnidirectional lavalier microphone for clear sound capture

• Audio Quality: Frequency response of 80Hz–15kHz for handheld mic, 50Hz–15kHz for wireless transmitter

• Modulation System: PLL synthesized for stable signal transmission

• Noise Reduction: Tone SQ, Carrier SQ, and Noise SQ for clear audio without interference

• Audio Output: Balanced (XLR-3) and unbalanced (¼” jack) options for flexible integration

• Mounting Options: Rack-mountable with optional mounting kits (MB-WT3 for one, MB-WT4 for two receivers)

• Power Supply: AC mains for the receiver, 1 AA battery (1.5V) for microphones

• Dimensions & Weight: Handheld Mic: 250 x 50mm, 245g; Transmitter: 62 x 100 x 25mm, 85g; Receiver: 210 x 44 x 202mm, 720g

The TOA WS-402 Dual Channel Wireless Microphone Set is an excellent choice for professional sound systems, providing high-quality audio transmission, long battery life, and reliable performance for conferences, lectures, or live events. Its flexibility and easy setup make it ideal for various applications.