Note: Not compatible with MacOS
The t.racks DSP 4x4 Amp 4.250 is a compact, lightweight four-channel Class D installation amplifier that delivers a powerful total output of 1,000W RMS at 8 ohms or 1,400W RMS at 4 ohms. Housed in a 19", one-unit rack design, it features balanced connections with a combination of XLR inputs, speaker twist outputs (amp outs) and TRS jacks (pre-outs), making it equally suited for both fixed and mobile installations. An integrated DSP enables precise signal processing and routing, operated effortlessly through a USB connection and the Windows-compatible software. Like every the t.racks product, the DSP 4x4 Amp combines reliability, flexibility, and impressive performance with outstanding value for money.
The t.racks DSP 4x4 Amp 4.250 installation amplifier delivers ample power for smaller sound system applications while maintaining a compact footprint. Each of its four inputs features balanced XLR connectors, while the output section includes four amplified outputs with balanced speaker twist sockets and four additional pre-outs equipped with TRS jacks. Its Windows-compatible software provides access to a versatile routing matrix, allowing flexible input and output assignments. Every channel is equipped with a compressor/limiter to protect speakers, a gate for noise reduction, a delay for precise time alignment, and a fully adjustable EQ. The internal DSP operates at 32 bits, with signal conversion at 24 bits and 48kHz, ensuring clean, high-resolution processing. Completing its efficient design are three easily switchable presets – accessible either from the front panel or via rear contact inputs – alongside dedicated level controls for each channel, making the DSP 4x4 Amp 4.250 a compact yet highly capable fixed-install solution.
The DSP-controlled, four-channel power amplifier the t.racks DSP 4x4 Amp 4.250 offers an exceptionally handy feature: presets 01–03 can be accessed directly from the front panel at the touch of a button, eliminating the need for an external computer. These presets can also be switched effortlessly via the rear screw terminal, enabling a range of convenient applications. From typical PA tasks – such as selecting between tops with or without subwoofers – to controlling different room zones in fixed installations, the system adapts with ease. This functionality also allows flexible and individual level adjustments, ensuring smooth operation across a variety of setups and environments.
The in-house brand the t.racks has been an integral part of the Thomann music store range since 1997. A wide range of different rack devices, effects, power distributors, and accessories appear under the t.racks name and prove that quality, reliability, and attractive pricing do not have to be mutually exclusive. Whether for home studios, the stage, or the rehearsal room – the t.racks offers a convincing and affordable solution for every situation.
The t.racks DSP 4x4 Amp 4.250 power amplifier is perfectly suited for both fixed installations and compact mobile sound systems. In venues such as cafés or pubs, it can power up to eight speakers with ease, while small stage setups can benefit from its ability to drive up to four subwoofers and four tops with a maximum output of 4×350 watts. When paired with four monitor speakers, the built-in DSP EQs offer precise and creative sound shaping options. Equipped with XLR inputs and speaker twist outputs, the amplifier also provides balanced jack sockets for unamplified DSP use, adding further flexibility, and in studio environments, the device proves equally valuable – ideal for multi-channel monitoring setups or other audio routing tasks. With its compact 19", one-unit housing, the DSP 4x4 Amp 4.250 integrates effortlessly into virtually any technical rack, combining versatility, efficiency, and professional performance in one streamlined design.