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PreSonus ERIS 3.5BT 3.5-inch Woven Woofer / 1-inch Silk-Dome Tweeter / Bluetooth 5.0 / 25W per Side (Pair)

SKU: ERIS 3.5BT
Brand: PreSonus
$146.99
Brand PreSonus
SKU ERIS 3.5BT
Weight 7.00 lbs
Warranty 3 Years
Condition New
Status Available
Expert

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Description

The Eris 3.5BT 2nd Gen are compact active media reference monitors designed to deliver accurate, room-adaptable sound in small production and listening environments. These two-way monitors combine a 3.5-inch woven glass fiber woofer and a 1-inch silk-dome tweeter to offer a balanced frequency response that preserves detail across the spectrum. The monitors provide studio-quality clarity while remaining compact enough for desktop use and constrained rooms.

Key features include Bluetooth 5.0 stereo wireless input, Class AB amplification delivering 25 watts per side, and front-panel headphone output with integrated amplifier. The silk-dome tweeter offers refined high-frequency detail while the woven-composite woofer provides controlled low-end impact for accurate monitoring. High- and low-frequency Acoustic Tuning controls allow you to adapt the speaker response to room acoustics and placement.

Technical performance supports an 80 Hz to 20 kHz frequency range and a peak SPL of 98 dB at 1 meter, with an internal crossover set at 2.8 kHz for smooth driver integration. The onboard protections guard against RF interference, output-current limiting, over-temperature, turn-on/off transients, and subsonic signals to protect driver and amplifier components. A power saver mode engages after 40 minutes of inactivity to reduce power consumption.

Connectivity covers both wired and wireless workflows – balanced 1/4-inch TRS inputs, unbalanced stereo 1/8-inch and RCA inputs, plus fast stereo Bluetooth 5.0 for mobile and wireless sources. A front-panel level control adjusts both the amplifier and the loud front headphone amplifier; inserting headphones mutes the speakers for private monitoring. Cables are included to support immediate integration with existing audio interfaces and desktop setups.

Use cases for the Eris 3.5BT include bedroom studios, video editing desks, small podcast setups, gaming rigs, and content creation workstations that require accurate nearfield monitoring without a large footprint. The speakers aim to reproduce mixes honestly so that critical decisions translate well to other systems. They also pair with the Eris Sub8 BT to expand low-frequency extension when a 2.1 system is desired.

Installation and operation are straightforward – position the monitors at ear height, use the HF and LF controls to compensate for boundary gain or room coloration, and connect sources via Bluetooth or wired inputs. The vinyl-laminated MDF cabinets and robust protection circuitry provide durable daily use while preserving sonic integrity. Overall, the Eris 3.5BT balances accurate monitoring features and convenient connectivity in a compact package.

Specifications

3.5-inch, woven-composite, low-frequency transducer3.5 inch woven glass fiber composite
1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer1 inch silk dome tweeter
Fast, reliable, stereo Bluetooth 5.0 wireless inputBluetooth 5.0
50W (25W/side) Class AB amplification50W total 25W per side Class AB
80 Hz to 20 kHz frequency response80 Hz to 20 kHz
98 dB SPL (Peak, @ 1 meter)98 dB peak @ 1 meter
High- and low-frequency Acoustic Tuning controlsHF ±6 dB center 10 kHz LF ±6 dB center 100 Hz
Balanced, 1/4-inch TRS inputs; unbalanced, 1/8-inch stereo and RCA inputs; and integrated stereo headphone amplifier with front-panel 1/8-inch output1/4 inch TRS balanced, 1/8 inch stereo, RCA unbalanced, front 1/8 inch headphone
Protection: RF interference, output-current limiting, over-temperature, turn-on/off transient, subsonic filterRF interference, output-current limiting, over-temperature, turn-on/off transient, subsonic filter
Power Saver mode (engages after 40 minutes)Power saver 40 minutes
Includes speaker wire and cablesSpeaker wire, 1/8 TRS to RCA cable, 1/8 TRS to 1/8 TRS cable
AccessoriesFootswitch NA
Electronics BluetoothBluetooth V5.0
Input Impedance10 kΩ
Voltage Requirements100-240 VAC 50-60 Hz
General ColorBlack
SeriesEris
Audio ControlsVolume, HF ±6 dB center 10 kHz, LF ±6 dB center 100 Hz
Cabinet MaterialVinyl-Laminated Medium-Density Fiberboard
HF Transducers1 inch Ultra Low Mass Silk Dome Tweeter
LF Transducers3.5 inch Woven Glass Fiber Composite
Monitor InputsBluetooth 5.0, 1/8 inch stereo, 2 balanced 1/4 inch TRS, 2 unbalanced RCA
Monitor Type2-Way Active
Power Amplifier TypeClass AB
Product Depth6.5 inch 16.4 cm
Product Height8.3 inch 21.0 cm
Product Height/Length8.3 inch 21.0 cm
Product Width5.6 inch 14.1 cm
Power CableIEC
ProtectionsRF interference, output-current limiting, over-temperature, turn-on/off transient, subsonic filter
Peak SPL98 dB @ 1 meter
Crossover Frequency2.8 kHz

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Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

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If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

  • TVs and monitors 20" and larger
  • Special Order merchandise
  • Any item indicated on the website as non-returnable

For more information see our official Return Policy

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