PreSonus Eris Sub 8BT – 8″ Studio Subwoofer with Bluetooth

Deep, Controlled Bass for Any Studio
The Eris Sub 8BT is designed to extend the low-frequency response of your monitoring system while keeping your sound clean, tight, and controlled. Pair it with PreSonus Eris monitors—or any studio speakers—to get the full picture of your mix, from sub-bass to high-end detail.

Wireless Bluetooth® Audio Built In
Stream high-quality audio directly from your smartphone, laptop, or tablet with integrated Bluetooth 5.0. It’s perfect for quick reference checks, casual listening, or turning your studio into a great-sounding playback system.

Compact Yet Powerful
With an 8-inch custom woofer and 100-watt Class AB amplifier, the Eris Sub 8BT delivers room-filling lows without taking over your workspace. The front-firing port ensures clean low-end performance even when placed near a wall.

Flexible Studio Connectivity
Whether you’re working with a simple home setup or a full studio, the Sub 8BT fits right in. You get:

Balanced ¼” TRS inputs

Unbalanced RCA inputs

Bluetooth® audio input

¼” TRS and RCA outputs for easy integration with your monitors

Tune Your Sound to Your Room
Built-in controls help you optimise your sound for any environment:

Variable low-pass filter (50 Hz – 130 Hz)

Polarity switch (0° / 180°)

Sub bypass footswitch input (footswitch not included)

Adjustable input gain

These tools let you blend the sub seamlessly into your system for accurate, repeatable monitoring.

Key Features

8″ reinforced woofer with front-firing bass-reflex port

100W Class AB amplifier

Bluetooth® 5.0 for wireless playback

Low-pass filter: 50 Hz – 130 Hz

Polarity invert switch

Balanced ¼” TRS & unbalanced RCA inputs

¼” TRS & RCA outputs for monitor integration

Compact design ideal for small studios

Specifications
Driver: 8″ custom-designed wooferAmplifier Power: 100W Class ABFrequency Response: 30 Hz – 200 HzCrossover Range: 50 Hz – 130 Hz variablePeak SPL: 113 dBInputs:

2 × ¼” TRS

2 × RCA

Bluetooth 5.0Outputs:

2 × ¼” TRS

2 × RCADimensions: 305 × 260 × 330 mmWeight: 9.6 kg