Toa Electronics WT-4820 Modular Dual-Channel Wireless Receiver

The Toa Electronics WT-4820 Modular Dual-Channel Wireless Receiver is designed for professional audio applications.

The Toa Electronics WT-4820 Modular Dual-Channel Wireless Receiver is designed for professional audio applications. It operates within a receiving frequency range of 576 to 865 MHz, with specific bands for USA/Canada. The device includes input options such as mixing at -20 dB with a 10 kOhms unbalanced phone jack and antenna connections at 75 Ohms with BNC. Output capabilities include audio mixing/solo settings with balanced and unbalanced outputs.

Indicators display ANT A/B, audio peak levels, and power status. The signal-to-noise ratio exceeds 102 dB (A-weighted, balanced output), with harmonic distortion under 1%. Frequency response spans 50 to 18,000 Hz with ±3 dB tolerance. Powered by AC mains, it requires an AC-DC adapter. Power consumption is 250 mA at 12 VDC when using two tuner modules. Operating temperature ranges from 14 to 122°F (-10 to 50°C). The unit features a resin black finish with dimensions of 8.2 x 1.7 x 7.1 inches (210.0 x 44.0 x 181.0 mm).

• Receiving Frequency: 576 to 865 MHz 576 to 606 MHz and 614 to 698 MHz for USA/Canada
• Input: Mixing: -20 dB, 10 kOhms unbalanced, phone jack Antenna: 75 Ohms, BNC (phantom powering for antenna), 9 VDC, 30 mA (maximum)
• Output: Audio: Mixing/Solo 1 (selectable): -20 dB (+6 dB maximum), 600 Ohms, unbalanced, phone jack -14 dB (+12 dB maximum), 600 Ohms, balanced, XLR-3-31 type connector Solo 2: -20 dB (+6 dB maximum), 600 Ω, unbalanced, phone jack Antenna: 75 Ohms, BNC (Gain 0 dB)
• Indicators: ANT A/B, audio (peak), power
• S/N Ratio: Over 102 dB (A-weight, balanced output)