DESC: Boston Acoustics' GT28 2-Channel Amplifier high-current, Dynamic Power System promises high efficiency and output stages, increased power with lower impedance, maximum dynamics and transient response. Boston Acoustics' Q-Tune technology combines sophisticated crossover adjustments with Q-Control settings to seamlessly transition rear bass to the front sound stage, so you can rock on with your music as loud as you want it without losing clarity. The advanced cooling features make it possible to install the amplifier in a variety of mounting positions and the low-profile height makes it easy to fit into tight locations within your vehicle.