NÃO ACEITO TROCAS:

Analogue operation
Dynamically transparent Clean Boost
Up to +12 dB boost
Class A preamp with the famous JRC4558 chip
Switchable True / Buffered Bypass
Controller for gain
Side DIP switch for High Cut, Hi Mid Boost, Lo Mid Boost and Bass Boost
Status LED
Metal housing
6.3 mm mono jack input / output
Power supply via 9 V battery or optional 9 - 18 V DC power supply (2.1 x 5.5 mm barrel connector, polarity (-) inside)
Current consumption: 5 mA
Dimensions (W x D x H) 38 x 92 x 30 mm
Weight: 320 g
Made in USA