The T800-4ad combines sound quality characteristics of Class-A designs with efficiency of a Class-D in one remarkable package. Superior sound quality is possible through the implementation dynamic switching frequency control. The addition of Constant Power circuitry produces optimized output at a range of impedances. Rockford Fosgate created Class-bd for brute power to run low frequency subwoofers, and now Class-ad offers high fidelity in a full-range configuration.
Specifications:
Number of Channels: 4
Rated Power (RMS Continuous Power):
150 Watts x 4 @ 4-Ohm
150 Watts x 4 @ 2-Ohm
200 Watts x 4 @ 1-Ohm
300 Watts x 2 @ 4-Ohm Bridged
400 Watts x 2 @ 2-Ohm Bridged
Total Power ()Sum of Rated Power):
800 Watts RMS
Dynamic Power (PVC/PowerCube®):
177 Watts x 4 @ 4-Ohm 0° Res
219 Watts x 4 @ 2-Ohm 0° Res
235 Watts x 4 @ 1-Ohm 0° Res
350 Watts x 2 @ 4-Ohm Bridged
410 Watts x 2 @ 2-Ohm Bridged
Bridgeable: Yes
Frequency Response: 20Hz to 20kHz +/-1dB
Efficiency (average):
80% @ 4-Ohm
75% @ 2-Ohm
75% @ 1-Ohm
Total Harmonic Distortion (THD+Noise):
4-Ohm: <1.0%
2-Ohm: <1.0%
Crossover Controls:
Front Channels:
High-Pass (HP): 50Hz-500Hz @ 24dB/octave Butterworth
Low-Pass (LP): 50Hz-500Hz @ 24dB/octave Butterworth
Rear Channels:
High-Pass (HP): 50Hz-500Hz @ 24dB/octave Butterworth
Low-Pass (LP): 50Hz-500Hz @ 24dB/octave Butterworth
Tone Controls:
Front Channels:
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz
Rear Channels:
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz
Function depends upon crossover setting (LP/AP/HP)
Input Sensitivity: 150 mV to 4 V
Signal Input: Front Channels: 1 RCA pair
Rear Channels: 1 RCA pair
Signal Output: n/a
Power Input Connector: Block
Power Wire Gauge: 4 AWG
Speaker Output Connector: Block
Speaker Wire Gauge: 8 AWG to 16 AWG
Heat Sink Type: Cast aluminum
Cooling: Convection
Remote Controls: Optional Remote PEQ (overrides rear channel built-in Punch EQ)
Visual Indicators:
Power (Blue LED)
Thermal (Red LED)
Protect (Yellow LED)
Circuit Topology Class: Class-A/D
Operating Voltage: 9 - 16 VDC
Recommended Fuse (not included): 100 A
Max. Current Draw (13.8V Sinewave): 80 A
Average Current Draw (13.8V Music): 40 A
Suggested Alternator: 75 A
Shipping Weight: 13.2 Lbs. (5.98 Kg.)
Dimensions (H x W x D): 2.14 x 8.14 x 13.66 (in), 5.42 x 20.68 x 34.69 (cm)