Compact subwoofer with versatile tuning controls. The PreSonus Eris Sub 8 is an 8-inch subwoofer with a 100W Class A/B amplifier for superior low-end reproduction. The Sub 8 is designed for use with smaller studio monitors; the perfect companion for the Eris studio monitor series. Mix just how you like using the robust I/O and onboard controls such as the integrated filtering system. Both high pass and low pass filters are included so you can pin-point your crossover frequency with each. The front-firing glass-composite woofer delivers exceptional power and sonic accuracy perfect for mixing and mastering. Both 1/4-inch and RCA inputs and outputs are included so you can easily connect the Sub 8 to monitors and other gear. Its the perfect choice to take your mixes to the next level providing a powerful sound that will translate beautifully on other systems. Powerful low-end reproduction Small but mighty this 8-inch subwoofer employs a glass-composite woofer to deliver superior bass reproduction. Bass can make or break your sound but with the Sub 8 you can rest assured your mixes will translate well on any medium. The front-firing design and premium-grade components complement smaller studio monitors allowing you to mix and master with precision. The Sub 8 is the perfect companion for the Eris studio monitor series. At the heart of the subwoofer is a 100W Class A/B amplifier delivering powerful and detailed sound. It ranges all the way down to 30Hz so you will capture even the subtlest nuances from your bass. From high-end headphones to the club mixing and mastering using the Sub 8 will deliver beautiful results. Crossover with ease Pin-pointing the frequencies where the studio monitors stop and the subwoofer begins can be a tedious process but not with the Sub 8. It provides you with two filter controls so you can easily find the crossover point. Both high-pass and low-pass crossover controls are included so you get setup within minutes. The highly accurate filtering system helps to combat muddy and cluttered low-end sound that can occur when using less-refined controls. The high-pass filter is also useful for attenuating the subwoofer for use with satellite speakers. Versatile connectivity Connecting your existing monitors is a breeze with the rear of the subwoofer offering both 1/4-inch and RCA inputs. From here just set your input level using the continuously variable control and your good to go. There is even a polarity invert switch so you can adapt to any monitoring situation. Features Powerful 8-inch subwoofer with 100W Class A/B amplifier Ideal for use with smaller to medium-sized studio monitors Glass-composite woofer delivers superior low-end accuracy The perfect companion for Eris studio monitors Tuning controls on the rear panel to adjust crossover and attenuate sound High-pass and low-pass filter to cater exactly to your mixing needs Mix and master with precision thanks to the highly accurate bass reproduction Specifications Woofer Size: 8-inch Input Gain Control: -30 dB to +6 dB continuously variable Lowpass Filter: 50 Hz to 130 Hz (continuously variable) Inputs: Left and right balanced 1/4-inch TRS and unbalanced RCA Outputs: Left and right balanced 1/4-inch TRS and unbalanced RCA pass-through outputs for connecting satellite speakers Protection: RF interference Output-current limiting Over-temperature Turn-on/off transient Subsonic filter External mains fuse Product Code: E-Sub-8