Features:
1. This acoustic guitar magnetic preamplifier is specifically designed for DIY enthusiasts looking to build or modify their silent guitars
2. By accurately translating string vibrations into electrical signals, this magnetic guitar pickup transducer maintains the integrity of the sound while allowing for precise adjustments through the equalizer
3. Equipped with one tone control knob and one volume control knob, this SG 20 silent guitar pickup allows for comprehensive sound customization
4. This dual output functionality makes guitar pickup with volume knob easy to switch between different playing scenarios, whether you're practicing quietly or performing in a full band setting
5. Whether you're assembling a new instrument or replacing parts on an existing one, this dual coil guitar pickup offers the solution

Specifications:
Material: Metal and Plastic
Weight: 127g / 4.5oz
Equalizer Size: 11.5 x 5.2(6.8) x 2.2cm / 4.5 x 2.0(2.7) x 0.9in(Total Size), 4.2 & 10.4cm / 1.7 x 4.1in(Screw Hole Spacing)
Battery Box Size: 7.2 x 3.9 x 2.3cm / 2.8 x 1.5 x 0.9in(Total Size), 3.1 & 6.3cm / 1.2 x 2.5in(Screw Hole Spacing)
Output Jack: 1 x 6.35mm, 1 x 3.5mm

Package list:
1 x Equalizer
1 x Battery Box
1 x Pickup Bar
2 x Control Knob
10 x Screw