An extra US/UK plugs for the power supply are purchased separately (you can choose):
AMT GR-4 is a multifunctional floor passive guitar switchboard with microcontroller-based control ability. Organize your favourite pedals and preamps into 4 programmable loops and 1 non-programmable: with GR-4 you can engage one of the programmed combinations in one-touch!
AMT GR-4 architecture and features:
- 4 programmable loops and 1 non-programmable
- Fully passive sound path; the switching is done by means of high-quality relays
- Shut-off input buffer compensating the long guitar cable impact
- External tuner output
- Built-in power splitter allows to use one power adapter to feed a few more external pedals
2 modes of operation
- Fully programmable mode. Each 4 programs can be programmed with separate random combination of active loops
- Independent – under this mode each loop is switched on/off independently of the others by means of separate button.
AMT GR-4 dimension: metal housing - 260x115x45mm, rubber feets, outputs and knobs not counted.
AMT GR-4 power consumption 0,15-0,25A, depends on modes.
New AMT noiseless 12V power supply included! (EU/US plug)
AMT Electronics GR-4 - users manual (PDF)
The User Manual and other additional materials for this device can be found in the AMT Media Center http://media.amt-sales.com/
Built-in power splitter:
yes
Dimensions:
45/260/115 mm
Input consumption current (mA):
15 ~ 25 (depending on the use conditions)
It is for bass guitar:
yes
It is for electric guitar:
yes
Number of channels:
4 programmable loop
Operating mode:
programmable / random
Output current (mA):
15 ~ 25 (depending on the use conditions)
Power supply included:
Yes, AMT DC 12V, 1.25A AC / DC
Range of operating voltage (V):
9-12
The polarity of the power supply connector:
minus is inside, plus is outside
URL of the product on the official website:
http://amtelectronics.com/new/amt-gr-4/