X2 DOUBLE G0 Pro Guitar Preamplifier User Guide

G0 Pro Guitar Preamplifier

X2 DOUBLE

The color of music

G0 PRO Guitar Preamplifier

User Guide

Thank you for choosing DOUBLE G0 PRO series acoustic guitar preamplifier, it’s a great
preamplifier. Double’s acoustic engineers have set up various audio algorithms for
several playing styles, so you can just choose the style you want to play and get a great
sound without having to adjust your EQ parameters. The pickup also have various DSP
effects, including compression, reverberation, chorus and delay. In addition, the system
also supports active recording, wireless output, BT audio, it is a magical preamp.

In order to get the most out of your new pickup system, we recommend you to read the user guide.

Features & Controls

[ Power SWT ] This button is power switch of system. Long press the button to turn the system on, and the green indicator lamp will light; long press it again, the system will turn off and the indicator goes off. [ Vol control ] Volume control, pls set the volume rotary as high as possible, without causing distortion.

[ Mic. Level ] MIC volume control. If hear the feedback from the amplifier, please stay away from the amplifier, or reduce the MIC volume. [ Styles selection ] The system sets Fingerstyle, Strummer, Band and Solo playing styles. Press this button to select/switch the playing style, and the system will match the corresponding EQ tone according to your selection. Fingerstyle Strummer Band Solo / [ Effects selection ] Effects selection button, short press this button to switch between Compression, Reverb, Chorus, and Delay effects. If you want to stack different effects, pls long press the selected effect to lock it (the indicator lights flashes and then come light), and press again to switch to other effects for stacking (note: chorus and delay cannot be used at the same me). If you want to cancel the selecon, long press the locked effect once more the effect has been canceled when the effect indicator off.

[ Wireless Power ] Wireless on/off switch, short press this buon, the indicator light turns blue, meas the wireless transmission mode is on, you can connect the amplifier through the wireless receiver. Press this button again to switch off the wireless transmission and the working light turns back to green. [ Channel pairing ] Wireless channel pairing knob for channel pairing between pickup and receiver. The pickups are factory paired with the wireless receiver and can be used directly. If you need to do channel pairing, please long press it for three seconds, the indicator light will flash blue, then turn on the receiver power will atomically connect to pairing. Press once to stop the pairing, you will notice that the receiver’s indicator turns green, indicating a successful wireless connection. [ Indicator ] A malfunction indicator with different light colors. Indicator turns green when system on (Indicator turns blue if wireless on), turns red means low battery, light off means battery died, please recharge your battery. The indicator will be flashing red when recharging and turns green when fully charged. ( TYPE C [ TYPE C port ] Type C charging socket. When battery low, please connect the charging cable to the mobile phone charger for charging. Some 5V, 0.5A~2A charger is suitable for system charging. Type C . 50.5~2 [ Active recording jack ] 3.5MM active recording output jack (4 channels). If you need to record and preserve music, please connect your device with a suitable cable. 43.5MM(4

Wireless Receiver

The system comes with comes with a nice wireless receiver for wireless output. You can connect your guitar to amplifier without cable. G0 PRO

Receiver

POWER POWER: Power switch for transmitter/receiver, press button for ON or OFF.

INDICATOR INDICATOR: A malfunction indicator with different light colors. When the receiver indicator turns green , it means that the wireless connection is successfully paired. If the receiver indicator is yellow, the pairing is not successful.

BATTERY LEVEL INDICATOR BATTERY LEVEL INDICATOR: When the battery is full, the indicator light is green. If it turns to red means battery is low and need charging.

X2 DOUBLE

DOUBLE ACOUSTICS CO.,LTD

www.double-music.com
Building 2, Xunyang High-Tech Park, Jiangjun Road,
Qiuchang, Huiyang, Huizhou, Guangdong, China
Tel: +86 752 5195380
Fax: +86 752 5195390
E-mail: sales@double-music.com

Installation

G0 PRO preamplifier is suitable for mounting on guitars with sound hole diameter during 95~110mm. And the installing procedure is quite easy. G0 PRO95~110

Step 1: Carefully attach the transmission to the back of the guitar (we recommend
attaching it to the side of the guitar back, as shown below) and press down carefully and
vertically several times to ensure that the transmission is firmly attached. Note: Before
applying the transmission, please clean the area of the back plate from wood shavings
and dust; do not try to change the position of the transmission after applying it, as this
may cause structural damage to the vibration and affect the effect of the vibration.

Step 2: G0 PRO is a system of wireless preamp, but the system still retains the function of wired output. If you choose not to use wired output when installing the preamp, you only need to fix the mainframe of preamp onto the sound hole. If you wish to maintain wired output mode, please follow our installation instructions. If you don’t want to drill a hole to install the endpin jack, please loosen the clamps with a Phillips screwdriver. Position the pickup in the sound hole, parallel to and as close to the end of the fingerboard as possible. Gently righten the clamps. Run the cable out through the sound hole. G0 PRO

If you travel with your guitar or store it for long periods with the pickup in place, we strongly recommend that you have the endpin jack permanently installed in the guitar. Please install endpin jack of output cable to your guitar as Installation instructions. Remove the original endpin and Widen the endpin hole to 12mm accommodate the endpin output jack[Figure3, Figure4].

Package comes with some washers and wire clips for permanently installed, you can find them and refer to figures to complete it.

Battery

Both of preamp and receiver are powered by built-in polymer lithium baeries. They are rechargeable baery with large capacity, long life and stable performance. System is equipped with a Type C cable to charge, please connect to a regular phone charger and charge it. 18650 TYPE C

G0 PRO system has a unique battery compartment design for install 18650 battery access, you can easily replace battery when it is aging. When purchasing new battery, please make sure the capacity should be more than 2000mAh, and avoid fake and shoddy battery as well. G0 PRO 200018650

FCC Warning: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

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