Our Product Research Team
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That's because we have our own in-house Product Research team — they open the box,
verify contents, check the owner's manual, and record dimensions, features and specs.
We stay on top of new products and technologies to help people make informed choices.
Inputs and Outputs
Aluminum Heatsink: The cast aluminum heatsink dissipates heat
generated by the amplifier's circuitry. The inherent advantage of casting
provides a 30% improvement of cooling over conventional extrusion heatsink
(TRANSconductance Active Nodal Amplifier): The trans-ANA is a
circuit that allows the audio signal to pass through the amplifier at low
voltage. The signal is directly level-shifted to the fixed high voltage rails
via a pair of drive transistors. Signal linearity is assured by an active node
formed by the drive transistors at ultrasonic frequencies. The result is
crystal clear sound quality.
(Maximum Efficiency Heat Sink Application): MEHSA is a Rockford
Fosgate proprietary process that increases the heat transfer from the MOSFET
devices to the heatsink. The multi-layer insulated metal MEHSA substrate
operates with minimal thermal resistance, spreading heat both downward and
outward to quickly dissipate heat from each device across the heatsink. This
allows greater power output, enhanced thermal stability, and maximum
(Tracking Operation Pre-Amplifier Zone): TOPAZ is a circuit that
simply eliminates noise. The TOPAZ circuit allows the amplifier ground to move
with the source unit ground, creating a "noise elimination" zone just
before the preamp section. If there is any noise in the ground coming down the
RCA line to the amplifier, TOPAZ amazingly tracks it down and eliminates it. The
result is a 30-40dB improvement of the isolation between input ground and
(NOn-Multiplying Advanced Decision):
NOMAD is an intelligent protection circuit that uses an analog computer to make
real time decisions regarding temperature, voltage, current and impedance. The
unit is protected without limiting sound output unless needed.
(Discrete Surface Mount): In the manufacturing process high speed
robotics are used to place 0% tolerance resistors and large board traces
providing greater reliability and efficiency.
INDIGO (INDexed Ideal Gain
Operation): INDIGO is a circuit that maximizes the output power of the
amplifier by making better use of the power supplied by the car. As the battery
voltage drops, INDIGO tightens up so the amplifier delivers the rated power,
resulting in more consistent power coming from the amp.
Internal Crossover: The
internal crossover is a 24dB/octave Butterworth filter selectable for high-pass,
full range, or low-pass operation variable from 50Hz to 250Hz.
Remote Punch Bass: The Punch
Bass helps correct for acoustical deficiencies in the listening environment by
helping reproduce full range sound without adding excessive boost. The Punch
Bass control has a narrow band adjustment centered at 45Hz, variable from 0dB to
+18dB. Using the mounting bracket, the supplied Punch Bass wired remote can be
mounted in any convenient location under your vehicle's dash. The wired remote
is 2.317" wide, 1.523" tall and 2.035" deep. The included cable
is 15' in length.
RCA Pass-Thru Jacks: The
pass-thru jacks provide a convenient source for daisy-chaining an additional
amplifier without running an extra set of RCA cables from the front of the
vehicle to the amplifier location. The pass-thru jacks output a full-range
RF Center Badge: For
installation flexibility, the RF center badge can be rotated 180 degrees. The
LED power indicator is located under the badge and is visible through it when
power is supplied to the amp.
Fuse Requirements: The
amplifier requires one 60-amp fuse (not supplied).
Right Side Of Amplifier:
- Crossover Switch: allows you
to select high-pass, full range, or low-pass crossover operation
- Crossover Frequency: the
crossover frequency control is variable from 50Hz to 250Hz
- Left Gain: this variable
gain control allows you to adjust the output level of the left channel
- Right Gain: this variable
gain control allows you to adjust the output level of the right channel
Right Side Of Amplifier:
- Line Inputs: gold-plated RCA
- Pass-Thru Line Outputs:
gold-plated RCA jacks
- Speakers: gold-plated set
screw terminals that will accept up to 8 gauge speaker wire
- Remote Punch Bass: RJ-14
jack for use with supplied Remote Punch Bass wired remote
Left Side Of Amplifier:
- GND: gold-plated set screw
terminal that will accept up to 4 gauge ground wire
- B+: gold-plated set screw
terminal that will accept up to 4 gauge power wire
- REM: gold-plated 0.250"
male quick-slide for remote turn-on lead (Note: A female quick-slide
is not supplied.)
Rating (measured at 14.4V):
Into A 4-Ohm Load:
750 watts x 1
- Per Channel Into A 2-Ohm Load:
375 watts x 2
- Per Channel Into A 4-Ohm Load:
187.5 watts x 2
- Without Endcaps: H=2.4375",
- With Endcaps: H=2.4375",