11. Bass EQ Control – The Bass EQ allows a narrow band adjustment of up to +18dB centered at 45Hz. The bass boost can
be bypassed by turning the control to its minimum or counterclockwise position.
12. E-Z Bridge Switch / 0°-180° Phase Switch – This dual purpose switch enables you to E-Z bridge the amplifier or invert
the signal phase of the right channel.
13. Phase Switch – This switch enables you to easily invert the phase of the left channel without having to disconnect the
speaker wires.
14. Internal Crossovers – These built-in crossover cards are configurable for a multitude of operating frequencies. The
orientation of the card in its socket determines its function of high-pass, low-pass or full range operation.
15. LED Power Indicator – The LED gives a visual indication of the status of the amplifier, lighting when the unit is turned on.
– 6 –
14
ROCKFORD CORPORATION
MADE IN THE USA
®
®
500 Watts RMS continuous power per
channel into 2 Ohms with less than 0.10%
Total Harmonic Distortion from 20-20kHz
AMPLIFIER
250 Watts RMS continuous power per
channel into 4 Ohms with less than 0.05%
Total Harmonic Distortion from 20-20kHz
High-Pass
HP
LP
HP
LP
Low-Pass
FULL
Full Range
NOTE: Insert XCards into
sockets facing each other.
Please refer to Owner’s manual
for possible Input, Output, and
XCard configurations.
For Bridged Mono Wiring
Connect 4Ω mono woofer + to L+ of
amplifier and mono woofer – to R–
of amplifier. Amplifier will operate
mono/stereo simultaneously.
Do Not Chassis
Ground Any Speaker.
+–
L+ R–
XCard 1
XCard 2