For sale is a used Interfire EF-3S surround sound processor. i gotta tell you i dont know much about this unit because it came in my car when i bought it. i know that its a 9v line driver and a sub processor. i know it does work!!used it for a couple months but bought a double din so i couldnt fit it anymore
asking 40 shipped obo
here are some specs i found on it:
# 3S SURROUND SOUND PROCESSING
# MUSIC & CINEMA SURROUND MODE
# 9 VOLTS RMS LINE DRIVER
# AUXILIARY INPUT
# FRONT, REAR AND SUB OUTPUT
# FULLY VARIABLE LOW-PASS X-OVER
# FULLY VARIABLE BASS EQ / BOOST
# SUBWOOFER LEVEL CONTROL
# HALF DIN SIZE
# FREQUENCY RESPONSE : 10 ~ 50,000Hz
# S/N RATION : >92dB
# BASS EQ. : 30 ~ 90Hz
pic is blurry but the controls across the front say:
fader volume aux on cinema bass eq subwoofer
main off music boost freq gain freq
asking 40 shipped obo
here are some specs i found on it:
# 3S SURROUND SOUND PROCESSING
# MUSIC & CINEMA SURROUND MODE
# 9 VOLTS RMS LINE DRIVER
# AUXILIARY INPUT
# FRONT, REAR AND SUB OUTPUT
# FULLY VARIABLE LOW-PASS X-OVER
# FULLY VARIABLE BASS EQ / BOOST
# SUBWOOFER LEVEL CONTROL
# HALF DIN SIZE
# FREQUENCY RESPONSE : 10 ~ 50,000Hz
# S/N RATION : >92dB
# BASS EQ. : 30 ~ 90Hz
pic is blurry but the controls across the front say:
fader volume aux on cinema bass eq subwoofer
main off music boost freq gain freq
