Model Number: RD-4EQ Key Specifications/Special Features: RD-4EQ4 band parametric equalizerPre-amp control frequency150Hz, 400Hz, 2.5KHz, 15KHzSub-woofer crossoverfrequency 30Hz ~ 250HzDC to DC switching power supplySub-woofer output levelcontrolInput selector for radio/CD

With individual input level control

Fader control

2 gold plated RCAforsub-woofer pre-amp output

4 gold plated RCA for radio and CD input

Front & rear pre-amp output 7V preamp line out

S/N ratio: 110dB

Dimension: 178x27.5x11.5 mm

Frequency phase control 0°~180°

Blue color illuminated controls

Offer spare parts, g-box