Aguilar OBP-2TK Two Band On-Board Bass Preamp Kit

The OBP-2 was designed to give bassists a fat tone while being small enough to fit into tight control cavities. Wire this preamp with one 9-volt battery and it will fit into just about any instrument. With +/-18dB of boost and cut at 40Hz and +/- 16dB of treble boost and cut at 6.5 kHz you can emphasize just the right frequencies to make your bass sound great in any mix.

Features:

• Low noise discrete FET input stage, 
• Centre detent 50 K linear pots
• Dual concentric pot
• 324 hours of battery life