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Pair of compact 3.5-inch studio monitors with front volume knob and headphone jack

Presonus

Presonus Eris E3.5BT 3.5-Inch Media Reference Monitor

SKU CH-J4YH-TX0XB

Compact 3.5-inch wireless reference monitors with 25-watt Class AB amplification, Bluetooth connectivity, front-panel volume and headphone controls, plus rear TRS and RCA inputs

  • TypeWireless
  • Studio-quality sound for precise audio detail
  • 25-watt Class AB amplifier delivers loud clear output
  • Compact 3.5-inch design fits small spaces easily
  • Front-panel volume and headphone amp for private listening
  • Rear TRS RCA plus front 1/8-inch inputs connect any source

Compact Studio Monitor for Home Audio

The PreSonus Eris E3.5BT is a 3.5-inch media reference monitor designed for desktop use. It delivers studio-quality sound in a compact form factor that fits small spaces. The integrated 25-watt Class AB amplifier provides clear and loud audio reproduction. Bluetooth connectivity adds wireless flexibility for modern setups.

Front-Panel Controls and Software Bundle

A front-panel volume knob and headphone jack allow quick adjustments and private listening without reaching behind the speakers. Connecting headphones automatically mutes the monitor output. The package includes a special edition of PreSonus Studio One Prime recording software for immediate music production. Low- and high-frequency tuning controls let you tailor the response to your room.

Suited for Desktop Creators and Casual Listeners

This monitor suits home studios, gaming setups and video editing desks where space is limited but accurate sound is required. Buyers who need larger drivers for extended low-frequency response should look at bigger models. Users requiring balanced XLR inputs or higher power output for larger rooms will need a different solution.

Highlights

  • Studio-quality sound for precise audio detail
  • 25-watt Class AB amplifier delivers loud clear output
  • Compact 3.5-inch design fits small spaces easily
  • Front-panel volume and headphone amp for private listening
  • Rear TRS RCA plus front 1/8-inch inputs connect any source

Specifications

TypeWireless

Questions about this item

Will the 25-watt Class AB amplifier or the 3.5-inch drivers need servicing later?

The 25-watt Class AB amplifier and 3.5-inch drivers are solid-state with no user-serviceable parts; only the front-panel volume potentiometer may wear after years of heavy adjustment.

What limit appears first during long sessions — thermal protection or headphone-amp current?

The built-in headphone amplifier will hit its current limit before the 25-watt Class AB amp triggers thermal protection during extended high-volume use.

How much heat and noise does the 25-watt Class AB amp produce when running all day?

The 25-watt Class AB amplifier runs warm but stays silent with no fan; surface temperature rises modestly after hours of continuous playback.

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