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PreSonus Eris Sub 8BT

Curated from 51 real Reddit conversations

Refreshed on: March 17, 2025

PreSonus Eris Sub 8BT

Brand: PreSonus
Price: $199
Snoop Score:
6.6
Sentiment
7.5
Popularity
8.8
Technical
5.4

Snoop's Take

The PreSonus Eris Sub 8BT is an 8-inch active studio subwoofer with Bluetooth designed to deliver deep, accurate bass for a range of audio applications. It reproduces sub-low frequencies flawlessly and amplifies them using a 100W Class AB amplifier, making it ideal for multimedia, gaming, and studio-quality music production. Consumer sentiment is a mixed bag: while users praise its powerful bass and seamless pairing with Eris monitors—one reviewer noted, "One of the main advantages (in my mind) is the synergy between the Eris sub and the Eris monitors."—there are concerns over issues such as overheating during extended use and a sharper low-frequency roll-off than advertised. Some users enjoy its flexibility and connectivity, though complaints about static noise when the volume is raised remind potential buyers to consider their setup. Overall, the discussions reflect both enthusiasm for its performance and caution regarding thermal and frequency nuances. In conclusion, the Eris Sub 8BT is recommended for those seeking robust bass performance and excellent monitor integration, particularly in studio and near-field settings. However, users should be mindful of potential overheating and slight deviations in low-end frequency performance when used intensively.

Not for you? Check out our other rated Subwoofers

One of the main advantages (in my mind) is the synergy between the Eris sub and the Eris monitors.

Positive Feedback

after hours on it becomes too hot to hold my fingers against

Negative Feedback
Product
6.6
PreSonus Eris Sub 8BT
Home Theater Systems
5 / 10
Studio Audio Production
8 / 10
Car Audio Enhancement
2 / 10
Gaming and Multimedia
9 / 10
See how this compares to all Subwoofers

What it does well!

Key strengths users can’t stop talking about.
Synergy with matching PreSonus monitors
One of the main advantages (in my mind) is the synergy between the Eris sub and the Eris monitors.
overall if you are thinking of buying a subwoofer so you can enjoy the full range of bass modern music provides and have the eris monitors this one is a no brainer at the price they are sell this for.
performed absolutely brilliantly and was hearing some stuff in the music I previously didn't spot.
sounds like it'll do the trick especially for small spaces.
Excellent near‑field setup for computer audio
I say it's a pretty good match for a 2.1 near-field listening setup around a computer.
Effective bass performance and mix translation
I can hear everything I need, as I make bass heavy music.
Flexible connectivity for diverse setups
Presonus makes a subwoofer (Sub8) for this system, so I would get that.

Where it needs some work!

Areas to watch—feedback on possible improvements.
Overheats during extended use (Bluetooth variant)
after hours on it becomes too hot to hold my fingers against
Low frequency roll-off higher than advertised (drops off after 30Hz)
It drops off pretty hard after 30hz. It's prefect for most genres of though.
Static noise issues when connected to monitors
I'm getting a static buzz through the monitors as I turn the volume up past 30%. Is the issue the new subwoofer?

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Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Careful calibration is needed when pairing with non‑PreSonus monitors
It's definitely a less than ideal combo to mix and match different brands of monitoring when it comes to adding a sub to a pair of speakers.
If you set the sub volume too low, your mixes will come out overly bassy.
General subwoofer setup and integration discussions
subs are subs for the most part.
Awesome, thank you!
ideally you would have a 3rd for the sub.
It's like adding crappy computer speakers to your monitors for a surround sound set up.
Room acoustics and monitor calibration crucial for optimal sub performance
Who wouldn’t want more frequency coverage and a more impressive sound?!
it turned out not as essential as I thought it would be.
PreSonus monitors praised for affordability and performance
I'm impressed with them honestly, sure the low range isn't all that defined compared to pricier alternatives but a brilliant purchase nonetheless!
they are amazing monitors, especially considering how much cheaper they are compared to other 5inch cones.
Subwoofer connectivity may require adapters, potentially affecting volume or quality
you will need to use some adapters to rig up a subwoofer to them which could cause a loss in volume/quality.
Technical advice: Place subwoofer before monitors in the signal chain for proper crossover
Pro-audio subs typically go before the monitors in the signal chain.
Oh, so the cables come from the audiobox to the subwoofer and from subwoofer to the side monitors?

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Room acoustics critically affect subwoofer bass performance
Adding a sub could wildly influence your bass response depending where you are in the room.
Buying any old bass trap won't deal with the issue.
Potential port noise questions
Any port noise ?
Subwoofer integration may negatively impact mixing accuracy
Tl;dr if u mix with a subwoofer the song will most likely not sound good on any other source.

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