Also suitable for condenser microphones that have their own power supply. The output is stereo so you can easily connect the preamplifier to your amplifier or your mixer. Microphone Preamplifier - Mic Preamplifier SPA2€24.90PriceQuantity*Add to CartSpecifications Power supply : 220-240VAC Input Resistance : 20-47 Kohms at 1kHz. Output Resistance : 47 Kohms (200 Ω min). Input Sensitivity : 2-3mV (10mV max). Output : 300 mV. Gain: 40db. S / N ratio: > 85db. Frequency Response : 20Hz to 20kHz +/- 0.5db. Distortion: <0.05%. Dimensions : 10.2 X 9.0 X 4.0 cm. SHIPPING Free in Greece & Cyprus. WARRANTY Five years.