The GLADEN RC 90c2 is a two-channel Class AB amplifier designed to bring more power and clarity to your vehicle's audio system. It delivers 2 × 85 W at 4 Ohm, though you can bridge the channels to achieve a single output of 260 W for a more powerful bass response. This flexibility allows you to tailor the sound to your specific speaker setup while maintaining a wide frequency range from 20 to 20,000 Hz. To help you fine-tune the audio, the unit includes a filter adjustment between 45 and 225 Hz and an input sensitivity range of 0.2 to 10 V RMS. It features a high-level input with an Auto Sense function, which means the amplifier turns on automatically when it detects an incoming signal. For reliability during extended use, a thermal protection system triggers at 80 °C to prevent overheating. Measuring 215 × 150 × 50 mm and weighing 1.67 kg, the amplifier is compact enough to fit into various installation spots in your car. With a signal-to-noise ratio of 100 dB and a total harmonic distortion of 0.5% at half maximum power, it provides a clean listening experience for those who want a noticeable upgrade in sound quality without occupying too much space.