PreSonus Eris Sub8From real comments

Verdict distilled from 28 mentions across 11 aspects in comments under product review videos.

Positive sentiment60%
PROS 60%
CONS 40%

Rank based on 28 mentions across 11 aspects

View the verdict as

Buy this if...

  • You want noticeably better bass on a budget setup
  • You're pairing it with Eris 4.5, 5, or similar mid-size monitors
  • You want a sub for TV/movie watching instead of a soundbar

What users love

Skip this if...

  • You're only using tiny Eris 3.5 monitors at higher volumes
  • You're sensitive to transformer hum or gain-control crackling
  • You prefer tight, fast bass over a budget sub's character

What users complain about

Compare in seconds

Based on user comments

Best choice
1Mid
Kali Audio WS-6.2
Tight, punchy bassStrong low-end extension for its sizeCompact footprintLess tight than FC10S in upper-midsPrice increase disappointmentUncertainty about neighbor disturbance
Kali Audio WS-6.2
Tight, punchy bass
Strong low-end extension for its size
Compact footprint
Less tight than FC10S in upper-mids
Price increase disappointment
Uncertainty about neighbor disturbance
2Mid
Focal Sub One
Great pairing with Focal monitorsGood value for a pro-level subLong-term reliabilityDisputed frequency extension claimsHigher price than expectedPaired monitors criticized for harsh mids/highs
Focal Sub One
Great pairing with Focal monitors
Good value for a pro-level sub
Long-term reliability
Disputed frequency extension claims
Higher price than expected
Paired monitors criticized for harsh mids/highs
3Mid
Cambridge Audio Minx X301
Compact, Space-Saving DesignPunchy, Impactful BassTight, Music-Friendly BassBass Radiators Can Sound Uncontrolled
Cambridge Audio Minx X301
Compact, Space-Saving Design
Punchy, Impactful Bass
Tight, Music-Friendly Bass
Bass Radiators Can Sound Uncontrolled
4Premium
Genelec 7370A
Seamless GLM/SAM integration
Genelec 7370A
Seamless GLM/SAM integration
5Premium
Electro-Voice EKX-15SP
Lightweight & PortablePowerful Output for Its SizeGreat Sound QualityPremium PricingAudible Haze/NoiseLimiter Light Flashes at Volume
Electro-Voice EKX-15SP
Lightweight & Portable
Powerful Output for Its Size
Great Sound Quality
Premium Pricing
Audible Haze/Noise
Limiter Light Flashes at Volume
6Premium
Sonos Sub
Powerful, room-shaking bassMajor upgrade to movie/Atmos soundSub Mini fits small spaces wellHigh price for what you getUnderwhelming or unnoticeable for some setupsWireless connectivity dropouts
Sonos Sub
Powerful, room-shaking bass
Major upgrade to movie/Atmos sound
Sub Mini fits small spaces well
High price for what you get
Underwhelming or unnoticeable for some setups
Wireless connectivity dropouts
Best value
7Mid
Klipsch R-10SW
Deep, quality bassOwn powered amplifierGood value for the priceConnection confusion for some usersDriver cosmetics dislikedOlder model may outperform it
Klipsch R-10SW
Deep, quality bass
Own powered amplifier
Good value for the price
Connection confusion for some users
Driver cosmetics disliked
Older model may outperform it
8
RCF ART 745-A MK4
Attractive DesignOverall QualitySound Quality
RCF ART 745-A MK4
Attractive Design
Overall Quality
Sound Quality
9Mid
Klipsch R-121SW
Satisfying Home Theatre BassGreat Value for MoneyProven Reliability in the Product LineNot Ideal for Music-Only ListeningUnclear Upgrade Value
Klipsch R-121SW
Satisfying Home Theatre Bass
Great Value for Money
Proven Reliability in the Product Line
Not Ideal for Music-Only Listening
Unclear Upgrade Value
10Mid
Klipsch SPL-120
Owners expand with a second unitPowerful, room-filling bassFits well in all-Klipsch systemsBass lacks precision and firmnessLarge driver stroke hurts accuracyReliability concerns raised
Klipsch SPL-120
Owners expand with a second unit
Powerful, room-filling bass
Fits well in all-Klipsch systems
Bass lacks precision and firmness
Large driver stroke hurts accuracy
Reliability concerns raised
You are here
25Budget
PreSonus Eris Sub8
Noticeably improves bassGreat value for budget setupsPairs well with mid-size Eris monitorsConfusing wiring and connection issuesTouchy gain controlOverwhelms smaller monitors
PreSonus Eris Sub8
Noticeably improves bass
Great value for budget setups
Pairs well with mid-size Eris monitors
Confusing wiring and connection issues
Touchy gain control
Overwhelms smaller monitors

Who wins on what

Ranked by what users actually praise

Overall Impression

Adds real depth to small monitor setups. Commenters repeatedly describe the Sub8 as transformative, especially for the tiny Eris 3.5 speakers, which lack bass on their own. Users say it elevates music, gaming, and movie watching, with punchy low end down to 20Hz. Several buyers made their purchase decision specifically after hearing demo videos, and one called it 'everything what is right' for the Eris monitors it pairs with.

Pairing choice matters a lot. Multiple users report the 3.5 monitors get overwhelmed or distorted at higher volumes when paired with the sub, and recommend stepping up to the Eris 5 or 4.5 instead. Others ask whether it suits E5 XT, Eris 8, or third-party monitors like Yamaha HS-5 or Fostex, suggesting compatibility isn't always obvious out of the box, though many report success with 4.5 and 5 pairings.

Setup and reliability quirks frustrate some buyers. Several commenters struggle with TRS vs RCA wiring, weak or absent sound, and one monitor set shutting the sub off unexpectedly. Others report transformer humming at 60Hz even with power conditioners, and touchy gain knobs that crackle or play too loud past a quarter turn. These issues suggest inconsistent quality control or unclear setup instructions despite generally positive sound impressions.

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