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 woofer
Amplifier Power: 100W Class AB
Frequency Response: 30 Hz – 200 Hz
Crossover Range: 50 Hz – 130 Hz variable
Peak SPL: 113 dB
Inputs:

• 2 × ¼” TRS

• 2 × RCA

• Bluetooth 5.0
  Outputs:

• 2 × ¼” TRS

• 2 × RCA
  Dimensions: 305 × 260 × 330 mm
  Weight: 9.6 kg