Preco fixo. Nao vale a pena fazerem "propostas". Bloquearei todos os q o facam!
ADCOM GFP-345 Preamplifier

Preamplifier Type: Analog.
Power Consumption: 10 W.
Inputs: CD, Tuner, AUX1, AUX2: 300 mV / 20 kOhm (all RCA) Processor Input (RCA)
Outputs: Record Out (RCA) Processor Out (RCA) Pre Out, Lab Out (RCA)
Dimensions: approximately 17" x 3.5" x 11" (W x H x D)