Suitable for serious personal studios, gaming, audiophiles, and home theaters, the Temblor T8 active subwoofer complements full-range home-stereo speakers and studio reference monitors—including the PreSonus Eris and Ceres BT series—without overshadowing them. Powered by a 200W (100W RMS) amplifier, the T8 features an 8-inch, down-firing, glass-composite woofer; built-in crossover; ¼-inch TRS, and RCA inputs and outputs; and a front-firing acoustic port. It offers extensive user controls not usually found in this price range, including a switchable high pass filter that removes content below 80 Hz from the full-range signal sent to the main speakers and a variable low pass filter for creating a seamless crossover transition.

8-inch, downward-firing, glass-composite low-frequency transducer with high-density rubber surround
Class AB amplifier: 200W peak (100W RMS) power
Input gain control (-30 dB to +6 dB, continuously variable)
Continuously variable low pass filter (50 Hz to 130 Hz)
Defeatable high pass filter removes frequency content below 80 Hz from the full-range signal sent from the T8 outputs to the main speakers
Protection features: RF interference, output-current limiting, over-temperature, turn-on/off transient protection, subsonic filter, external mains fuse

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PreSonus Temblor T8 Powered Su... Price: $281.99 (as of 09/04/2023 11:16 PST- Details)