If only one mic input is to be converted for phantom operation, only one circuit needs to be used. Each circuit has a mic input and a mic output. Therefore, the ST-MPA48 can convert any existing mic input into a 48 Vdc phantom powered input.
Included in this Sale: Qty 1- 3 LOT - NEW Radio Design Labs RDL TX-1W Music on Hold Amplifier 1 Watt. Manufacturer RDL. SALE INCLUDES 3 LOT - NEW Radio Design Labs RDL TX-1W Music on Hold Amplifier 1 Watt.
In the RDL website, search for "STA-1". Conversion from Balanced to Unbalanced. Conversion from Unbalanced to Balanced. Up to 20 dB Gain in an Audio Line. The STA-1 is a dual-channel line-level preamplifier with bridging inputs, adjustable gain or loss, and low-impedance outputs.
RDL FP-SVDA4 S - Video Distribution Amplifier Radio Design Labs has wearnot tested but believed working no power supply If you think shipping is too high for this item. Please contact me and I will double-check the shipping and maybe I can get you a better rate. Please include your zip-code in your message.