PreSonus Eris Sub 8BT – Compact Studio Sub with Bluetooth 5.0

The Eris Sub 8BT adds precise low-end gravity to your listening or mixing space, pairing an 8-inch composite driver with a powerful Class-AB amp and wireless flexibility. Designed to integrate seamlessly with your near-fields, it brings rich bass and tailored control, only at Soundium.

Key Features

• Bluetooth 5.0 wireless input: Stream low frequencies directly from phones or tablets without the hassle of cables.
• 8-inch composite low-frequency driver with 50 W RMS Class-AB amp: Packs tight, authoritative bass down to 30 Hz with clean output and up to ~103 dB SPL (@ 1 m).
• Variable low-pass filter (50–130 Hz) + defeatable 80 Hz high-pass filter: Achieve seamless integration with your main monitors and avoid muddled low-end.
• Inputs and pass-through outputs (¼″ TRS + RCA): Ideal for 2.1 setups—feed the sub and route satellite monitors from the same source.
• Polarity invert, gain control, and power-saver mode: Fine-tune bass alignment, volume levels, and energy usage after 40 minutes of inactivity.

Customer Benefits

Elevate your studio or listening setup with robust, controllable bass that doesn’t overpower. Bluetooth offers quick playback flexibility, while the low/high-pass filters and polarity switch ensure your sub blends smoothly with existing monitors—making mixes more accurate and musical in everyday scenarios.

Quick Specs

• Driver: 8-inch (20 cm) composite low-frequency transducer
• Amplification: 50 W RMS, Class-AB
• Frequency response: 30–200 Hz
• Peak SPL: ~103 dB @ 1 m
• Input gain: –30 dB to +6 dB continuously variable
• Low-pass filter: 50–130 Hz continuously variable
• High-pass filter: Fixed at 80 Hz (defeatable)
• Connectivity: ¼″ TRS and RCA inputs/outputs, Bluetooth 5.0
• Controls: Gain knob, frequency controls, polarity switch, power-save
• Dimensions: Height ~23 cm × Width ~25 cm × Depth ~24 cm
• Weight: ~7 kg

In the Box

• PreSonus Eris Sub 8BT powered subwoofer
• IEC power cable
• Quick Start guide

Use Cases / Ideal For

Ideal for music producers, content creators, and home studio users needing accurate low-frequency detail. Perfect for EDM, hip-hop, or any bass-heavy content—but also great for immersive home audio setups where cable-free convenience matters.

Compatibility

Works with any studio monitors or PA systems via balanced/unbalanced connections. Bluetooth streaming fits casual playback, while adjustable crossover and polarity controls align it smoothly with any monitoring chain.

Pros & Cons

✅ Pros:

• Strong, clean bass punch in a compact footprint
• Flexible setup with Bluetooth and wired options
• Custom crossover and polarity control for precise integration
• Pass-through outputs simplify 2.1 configurations

⚠️ Cons:

• Bluetooth adds slight latency—not ideal for critical monitoring playback
• No remote control or companion app for filter/gain adjustment

The PreSonus Eris Sub 8BT delivers studio-grade low-end, flexible control, and Bluetooth convenience in a user-friendly, compact design—perfect for modern producers and music lovers alike. Hear the depth at Soundium.