Catalog > Consumer Electronics > Kits > Kemo Kits Universal Stereo Preamplifier Module Module Universal Stereo Preamplifier Module 9-24VDC Part No: KEMO M237 382.38 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Universal stereo preamplifier for microphones and universal application. The module is simply connected between a stereo power amplifier and a too weak signal source (e.g. microphone). Specifications Operating voltage : 9 - 24 V/DC stabilized (or battery) Current consumption : approx. 3.4 mA ± 20% at 12 V (without load) Frequency range : approx. 8 Hz - 60 kHz, 3 dB at U out 1.5V RMS Input impedance : 100k Ω Output load : > 2k Ω Amplification : approx. 30 dB ± 20% Distortion : ≤ 0.02% ± 20% Dimensions : approx. 40 x 40 x 12 mm (without fixing straps)