Rockford Fosgate
Rockford Fosgate Power T400X4ad 4-Channel Amplifier
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The T400X4ad 4-channel amplifier from Rockford Fosgate's Power Series is capable of delivering up to 100 watts RMS to four individual speakers. Alternatively, this compact powerhouse can also power a pair of subs at 200 watts each. Its sturdy build and dual-fan forced air cooling system prevent overheating, allowing for prolonged and powerful performance.
Class AD: accurate and powerful
Utilizing proprietary Class AD amplifier technology, Rockford Fosgate has combined the superior sound quality of a Class A system with the impressive efficiency of their unique Class D technology to present you with an extremely efficient and high-powered amplifier. In fact, this compact amplifier generates more power while requiring less current from your vehicle's charging system compared to the majority of other amplifiers currently available.
Rockford Fosgate's high-tech solutions yield more power
The Power Series amplifiers utilize Rockford Fosgate's Constant Power technology to actively monitor speaker performance. As a speaker's impedance tends to fluctuate during use, it can create resistance against the output of your amplifier. Similar to how cruise control adjusts the engine's RPM to maintain speed while going uphill, Constant Power increases the amp's internal voltage and current flow to compensate for the rise in speaker impedance. This results in a substantial boost of up to 25% in the overall power output of the amplifier.
Setting it up for optimum performance
Rockford Fosgate stands out once again with their innovative C.L.E.A.N. technology (Calibrated Level Eliminates Audible Noise). This system guarantees a clean and powerful sound for your music by utilizing setup tones downloaded from Rockford Fosgate. Simply adjust the receiver volume until the red clip light on the amp turns off, then increase the amp gain until a blue light appears. This easy process ensures perfect matching and maximum clean power from your amplifier to your receiver, resulting in less background noise and a clearer music experience.
Keeps an eye on things while playing
The LED will turn red if your music is distorting, indicating that you should lower the volume to avoid damage to your equipment. The optional PLC2 remote level control also acts as a clip indicator, allowing you to monitor for clipping from the driver's seat. The amplifier's internal computer constantly monitors the output current, protecting against plunging speaker impedances or short circuits during playback.
Product highlights:
- 4-channel car amplifier
- 100 watts RMS x 4 at 2 to 4 ohms
- 200 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)
- Class AD amplifier design
- Constant Power technology maintains full output power despite impedance changes
- C.L.E.A.N. gain setup system includes clip lights and link to Rockford Fosgate's setup tones
- differential input circuitry helps eliminate hum
- dual-fan forced induction cooling
- variable high- and low-pass filters (50-250 Hz, 12 dB/octave)
- variable Punch EQ (bass/treble boost: 0-18 dB at 45 Hz, 0-14 dB at 12,500 Hz)
More Info:
- preamp and speaker-level inputs (quick-connect input harnesses included)
- signal-sensing turn-on with speaker-level inputs eliminates need for remote turn-on lead
- 8-gauge power and ground leads and a 60-amp fuse recommended — wiring and hardware not included with amplifier
- no onboard fuses — when installing multiple amps in a system, an additional 60-amp in-line fuse between the distribution block and the amplifier is recommended
- 8-5/8"W x 1-5/8"H x 4-5/16"D
Shipping & Returns
Shipping & Returns
Shipping: Standard transit time for most shipments is 1-5 business days once shipped, depending on location of warehouse we ship your order from.
Returns: item must be in BRAND NEW never powered up or turned on or mounted condition. No components missing (i.e. original packaging, screws, bass knobs, plastic coverings, protective films, serial numbers, tags, stickers, and other manufacturer labels removed or tampered with etc.) Failure to meet any of these requirements will result in denial of return refund. Any product returned for any reason must be returned in its original and serial number matching box. Shipping & handling charges are non-refundable. All refunds will be computed based on the unit cost. Products purchased with “Free Shipping” will have the UPS or USPS Rate deducted from their refund.
Dimensions
Dimensions
