Features:
Sound hole installation, no need drill hole, easy to install. The preamplifier is suitable for mounting on guitars with sound hole diameter during 95~110mm.
Cork pad clamp design, no damage to paint of instrument.
It is a pickup that can be operated on your (download the free APP: Double+).
It has various DSP effects, including compress, reverberation, chorus and delay.
It supports active recording, output, audio, really a magical preamp.
With transmission mode, thus you can connect the through the receiver.
Comes with a receiver for wireless output, you can connect guitar to without cable.
Receiver with 1/4" audio , it can be connected to AMP or audio controller.
Support 2 different sets of transmissions at the same . DOUBLE G0 PRO LE for connect for APP, and it you want to input some or accompaniment via device, connect it to the DOUBLE G0 PRO.
With record and preserve function, just connect your device with a suitable cable to the 3.5mm active recording output jack(4 channels).
Both of preamp and receiver are powered by built-in polymer . is rechargeable, large capacity, long and has stable performance.
Equipped with a pad, which is washable and reusable, convenient to use anywhere.

Specifications:
Material: ABS+
APP: Double+
: 2000mAh
Item Size: 103 * 68 * 50mm / 4.06 * 2.68 * 1.97in
Item Weight: 159g / 5.63oz
Package Weight: 534g / 18.83oz
Package Size: 17.5 * 15.2 * 5.5cm / 6.89 * 5.98 * 2.17in

Package List: I8946
1 * Pickup
1 * Receiver
1 * Pad
1 * Tail Nail Leather Cover
1 * Output Tail Nail
1 * Vibrating Horn
1 * Screwdriver
2 * Cable
2 * Clip
2 * Gasket
1 * Manual (English)

Note:
This product is a coil and microphone combination pickup, which is suitable for all steel string guitars, but not for all nylon string guitars.