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Q-BAIHE X-10D Musical Fidelity Preamplifier Board w/ 2 * 6N11 Tubes Buffer AC12V 500mA Amp
Product Features PCB size Installation opening pitch Input voltage recommned you also can replace the 6N11 Tube with Basic parameters Distortion 0.008% (10Hz ~ Frequency sound Input/output signal 1 1, 6N11 Tube X 2 NOTE 1. ONLY FOR PROFESSIONALS 2. It can work with 3. No transformer included, buyers shall install a transformer by themselves. the voltage is 30~50W (only AC can work, DC cannot) 4. Beartiful LED light included, if you do not like it, you can remove it.

Price is $58.00
Price: $57.69