The most affordable studio monitor pair with acoustic tuning controls — the PreSonus Eris E3.5 offers entry-level performance with practical EQ flexibility at an unbeatable price.
| Woofer | 3.5" woofer |
| Tweeter | 1" ultra-low-mass tweeter |
| Frequency Response | 80Hz–20kHz |
| Max SPL | 100dB (pair) |
| Amplifier | 50W (pair total) |
| Connections | 1/4" TRS, RCA, 1/8" aux |
| Acoustic Tuning | HF and LF EQ controls |
At 80Hz–20kHz, the Eris E3.5 covers useful midrange and treble without extending into sub-bass. For monitoring vocals, acoustic instruments, and melodic content, it performs adequately. Any mix decisions about sub-bass need checking on a system with real bass reproduction.
Rear-panel HF (±6dB) and LF (±6dB) knobs allow basic room correction. Most competing products at this price offer no room correction at all. These controls provide meaningful flexibility for different placement scenarios.
1/4" TRS balanced, RCA unbalanced, and 1/8" stereo aux inputs. The front-panel aux input is convenient for quickly plugging in a phone to check mix translation on a consumer-style system.
Beginners who need studio monitors on the tightest possible budget. A legitimate step up from consumer desktop speakers. Serious production work will require a significant upgrade.
The PreSonus Eris E3.5 is an acceptable entry-level studio monitor at a genuinely low price. The acoustic tuning controls are a welcome bonus. Serious mixing and production requires a step up to 5" or larger drivers. Consider these a starting point, not a destination.