Maligayang Pasko! The Christmas season is here. Christmas shopping guide
Price history: ₱8,500 every time we've checked since Nov 4. We'll show changes here.
Buy at ShopeePrice last checked Nov 4, 2026. It may have changed, so confirm on the store's page. We earn a commission on purchases (details).
Challenger T20 RTA Microphone Specifications Transducer type Operating principle Polar pattern. Frequency response.. condenser (back electrets) pressure omnidirectional Diffuse field calibrated ... 20-20000Hz Open circuit voltage at 1 kHZ....... 15mV/Pa (-36.5dBV)±1 dB Max. SPL at f=1 kHz, K=1%, RL=3.3kQ.... Nominal impedance S/N ratio rel. to 1 Pa A-weighted equivalent SPL Power supply Connection.. Output... Connection.. Dimensions Weight(w/out cable) ...... 121dBSPL 3.3kQ 71dB approx. 26 dB(A) 9-48 V phantom supply approx.2mA electronically balanced XLR-plug, 3-pin Pin 1: ground Pin 2: signal + Pin 3: signal- Diameter 97g 155mm 19mm
