Introducing the PreSonus Eris Sub 8BT studio subwoofer Adding the Eris 8BT subwoofer to your full-range speakers enables you to hear the low-frequency foundation of your mixes with far more accuracy, so you can make the right decisions and create better, more translatable mixes. That's why this subwoofer is a must-have for EDM and hip-hop producers in particular. The amazingly loud, 100 watt Eris 8BT drops down to a molar-rattling 30 Hz, so you'll hear the full sonic spectrum. It’s also the first PreSonus studio subwoofer to offer Bluetooth 5.0 wireless connectivity, and it provides flexible wired connection options as well, making it easy to add it to just about any monitoring setup. To top it off, you get a full suite of music recording and production software. So, add the PreSonus Eris Sub 8BT subwoofer to your sound system and hear all the powerful low-frequency sounds you’ve been missing. Complete control over your audio Flexible connectivity options and onboard controls let you effortlessly create a 2.1 monitoring system and tune it to your room. You can tailor your Eris Sub 8BT configuration exactly to your mixing and listening needs thanks to the robust configuration and I/O options, and you can connect your existing monitors via ¼-inch TRS or RCA connections, set the input level to your liking, and invert the polarity! You can even get a high-pass filter and a low-pass crossover control that ensure your Eris 8BT starts working at the precise low-frequency point where your main monitors stop, meaning no more smudged, low-end issues that occur without a crossover.