Power T400x4ad

Buy the ultra-compact Power T400X4ad 400-watt amplifier at a great price

The Rockford Fosgate Power T400x4ad amplifier delivers a high output of 400 watts RMS in an ultra-compact design. This feature makes it ideal for tight installation spaces in cars. With the Masori Lowest Price Guarantee, you're guaranteed the best deal, because here you always buy at the lowest price. The amplifier offers flexible vehicle integration through low-level and high-level inputs with automatic switch-on. Its 4-channel output variants enable 100 watts per channel into 4 and 2 ohms, or 200 watts bridged into 4 ohms. Another highlight is Rockford Fosgate's proprietary Class-AD technology, which delivers consistent performance with optimal power consumption. The integrated CLEAN system analyzes and optimizes the input signal power.

Rockford Fosgate Class-AD technology: Constant performance at 4 & 2 ohms

Rockford Fosgate's proprietary Class AD technology in the Power T400x4ad ensures that the amplifier delivers consistent power at both 4-ohm and 2-ohm impedances. This means that when driven by both 4-ohm and 2-ohm speakers, the RMS continuous power output is always 100 watts per channel. This allows for extremely flexible use without any loss of performance. Comparable amplifiers don't always achieve this consistent power output, which is what makes the T400x4ad particularly special. A higher impedance would reduce current flow, while a lower impedance could endanger the amplifier. Class AD technology thus optimizes performance and efficiency, which is important for continuous operation.

Flexible installation with low and high-level inputs and automatic switch-on function

Rockford Fosgate has equipped the Power T400x4ad with flexible input options. The low-level and high-level inputs allow for easy integration into an existing audio system, whether factory or aftermarket. The automatic power-on function for high-level inputs is particularly useful, activating the amplifier without manual intervention. The differential inputs also achieve excellent noise rejection, further optimizing sound quality. With an input sensitivity of 150 mV to 12 V, the amplifier can handle a wide range of input signals, increasing its adaptability to different audio systems.

Powerful cooling through dual fan induction and aluminum heatsink

To ensure thermal efficiency, the Power T400x4ad is equipped with a dual fan induction system combined with an extruded aluminum heatsink. This sophisticated cooling technology keeps the amplifier at its optimal operating temperature even during intensive use and prevents thermal shutdowns. The 3-stage thermal lock provides additional protection against overheating. This type of cooling is particularly advantageous in compact vehicles where air circulation may be restricted. Poor cooling would be detrimental to the amplifier's longevity and performance. Therefore, this mechanism is a strong selling point that sets the Power T400x4ad apart from less well-cooled competitors on the market.

CLEAN system with input and output clip detection

The Rockford Fosgate Power T400x4ad utilizes the innovative CLEAN system, which analyzes the input and output signals and indicates when clipping occurs. This prevents distortion and guarantees consistently clear sound reproduction. The LED display also allows for real-time visual monitoring. A lack of signal monitoring in other amplifiers often leads to distortion and poor sound quality. The Power T400x4ad scores highly in this regard, with a system that will convince even professional users of its reliability. A lack of clip detection would otherwise damage the speaker through overload, making this feature extremely valuable.

Extensive sound control with treble and bass adjustment

The Power T400x4ad's user interface offers a wide range of sound adjustment options. Treble and bass controls allow adjustments to suit your listening preferences and vehicle acoustics. Treble can be adjusted from 0 to +14 dB at 12.5 kHz, and bass from 0 to +18 dB at 45 Hz. Compared to other amplifiers, this amplifier offers an exceptionally wide range of tonal variations, allowing for individual sound customization. Such fine-tuning is often not possible with many standard amplifiers, which gives the Power T400x4ad a distinct advantage. This flexibility means users don't have to compromise on sound quality.

Efficient integrated Butterworth crossover

The Rockford Fosgate Power T400x4ad features an integrated crossover with both high-pass and low-pass filters. The high-pass targets the 50 Hz to 250 Hz range, and the low-pass covers the same range, both with a Butterworth slope of 12 dB/octave. This ensures smooth transitions without unwanted resonances that often occur with steeper filters. Many amplifiers don't offer such a sophisticated crossover solution, making the sound less natural. Thanks to the Butterworth curve, the tonal character is preserved and frequency cracks are avoided. This allows the T400x4ad to produce a clear and coherent sound that is optimal for both classical and modern music styles.

Powerful power supply with 9-16 VDC and 60 A fuse

The Power T400x4ad impresses with its efficient power supply. It operates in a voltage range of 9 to 16 VDC and requires a 60 A fuse. These specifications make it particularly robust against voltage fluctuations in the vehicle's electrical system. A stable power supply is essential for consistent performance, as fluctuations could impair the audio signal quality. Therefore, the T400x4ad is ideally suited for use in vehicles with batteries of varying strengths. Compared to other amplifiers, which often only support narrower voltage ranges, this one offers optimal operating stability, even at lower voltages.

Optimized connections with 8mm² power and 1.5mm² speaker cables

The Rockford Fosgate amplifier uses an 8mm² power/ground connection and 1.5mm² speaker cable terminals. This configuration ensures efficient transmission of high currents with minimal loss. Smaller cable cross-sections are often found in standard amplifiers, which can lead to overheating problems under high power requirements. The use of 8mm² cables minimizes resistance and maximizes power transfer to the amplifier, while the 1.5mm² speaker terminals are sufficiently strong for the connected systems, ensuring clear and undistorted sound reproduction. On-site installation in Frankfurt (Oder) | Expert support, FAQ & help | Audio blog