High-End Bass Preamp Line Pickup with Active/Passive EQ for Guitar, Noise Reduction, 2-Way Switch, 3-Way Switch, 4-Way Switch, 5-Way Switch, 6-Way Switch, 7-Way Switch, Guitar Pickup

Power Mode: Uncharged

Battery Properties: Without Battery

Major Material: Metal

Color: Black

Item ID: BB7840140

Origin: Guangdong,China

Volume B50K; Pickup MN250K. Bass: +/- 10dB at 30Hz B50K; Treble: +/- 10dB at 6KHz B50K. P1 should be connected to the neck pickup positively; P2 should be connected to the bridge pickup positively; it should utilize a dual pickup preamp, not a low-quality circuit from cheap manufacturers. If you are unsure about installing the circuit, please seek advice from your local luthiers. Specifications: Metal Color as shown in the picture Package Weight: approximately 80g Size: approximately 4.0×3.07×1.1cm/1.57×1.21×0.43in (For more sizes, please refer to the photo.)