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Notes: PreSonus Eris-series studio monitors are used worldwide by audio engineers and producers who need to hear every detail of their recordings. Our best-selling studio monitors just got better! Eris 3.5 media reference monitors deliver studio-quality sound in an elegant, compact form factor that makes them ideally suited for bedroom studios, video production, and high-fidelity gaming setups.

With 25 watts per side of onboard power, the Eris 3.5 reference monitors pack a serious punch, while still delivering clear, accurate audio. The weave and nature of the Eris 3.5's 3.5-inch woofer result in tight bass that you can feel, as well as cleaner overall sound. The one-inch silk-dome tweeter produces refined high-frequencies and is designed to radiate sound with a wide pattern, creating a large optimal listening area. Improved speaker voicing over previous designs delivers richer lows and a smoother crossover transition for articulate, accurate transient reproduction throughout the frequency range and a less-fatiguing listening experience.

A convenient front-panel knob sets the level of both the power amp and the loud, clear headphone amplifier, with its front-panel jack. With three types of inputs, it's easy to connect just about any audio source to Eris 3.5 reference monitors. High- and low-frequency controls let you easily adjust the Eris speaker's frequency response to compensate for the acoustics of your space and create the most accurate sonic reproduction possible.

Need a little more low end? Add an Eris Sub8 BT to build a perfectly matched 2.1 sound system that fits almost anywhere.

Features

3.5-inch, woven-composite, low-frequency driver
1-inch, ultra-low mass, silk-dome, high-frequency driver
50W, Class AB dual amplification
80 Hz to 20 kHz frequency response
98 dB SPL (Peak, @ 1 meter)
High- and low-frequency Acoustic Tuning controls
Balanced, 14-inch TRS inputs; unbalanced, 1/8-inch stereo and RCA inputs; and integrated stereo headphone amplifier with front-panel 1/8-inch output
Protection: RF interference, output-current limiting, over-temperature, turn-on/off transient, subsonic filter
Power Saver mode (engages after 40 minutes)
Comes with speaker wire, 1/8-inch TRS to stereo RCA cable, and stereo RCA to stereo TS cable

Versatile connectivity.

PreSonusr Erisr 3.5 reference monitors connect to virtually any line-level audio source, using rear-panel, 14-inch TRS and RCA inputs and a front-panel, 1/8-inch, stereo line input. You also get a convenient (and loud!) front-panel, 1/8-inch, stereo headphone jack; connecting headphones mutes the speakers.

Built to match your room.

Unlike other home audio speakers that hype the bass at the expense of other frequencies, Erisr speakers provide an even response throughout the frequency range, from bass to treble. This means you'll hear your favourite music exactly as artists and engineers intend it to be heard. High and Low Acoustic Tuning controls let you dial in the Eris 3.5s precisely to your environment to further ensure the best sound possible.
Honest. Expressive. Powerful.

Like all PreSonus media reference monitors, the Erisr 3.5 offers consistent, accurate listening. Their stylish design makes them a welcome addition to living rooms, compact home theatre setups, and gaming rigs, and their smooth and even frequency response ensures that your music - and everyone else's - will sound incredible.

Specs

Electronics
Voltage: 220-240V UK
Wattage: 25 Watts (Each Speaker)
Input impedance: 10 kO

Performance
Peak SPL: 98 dB (@ 1 meter)

Speakers
Crossover frequency: 2.8 kHz

Hardware
Cabinet material: Vinyl-Laminated, Medium-Density Fiberboard
Audio controls: Volume High Frequency (+/-6 dB, center 10 kHz, continuously variable) Low Frequency (+/-6 dB, center 100 Hz, continuously variable)
Monitor inputs: Bluetooth 5.0, 1 x Stereo 1/8", 2 x Balanced 1/4" TRS, 2 x Unbalanced RCA
Power amplifier type: Class AB

Measurements
Dimensions: 8.30 x 5.50 x 6.00 in

Depth: 6.5" (16.4 cm)
Height: 8.3" (21.0 cm)
Width: 5.6" (14.1 cm)

Notes: The Eris Studio 4 sets a new standard for compact studio monitors. With its surprising amount of low-end and a wide, well-controlled sweet spot, you can enjoy premium, accurate monitoring in even the smallest of mixing spaces. Designed for superior performance in both home studios and small professional mix rooms, the Eris Studio 4 combines flexible connectivity with sonic accuracy that puts it a class all its own.

The custom-designed EBM (Elliptical Boundary Modeled) waveguide provides superior high-frequency response that allows you to hear the finest details in your mix, while a wide 100-degree horizontal dispersion creates a broad sweet spot with lifelike stereo imaging. Narrow vertical dispersion reduces reflections from your desk, and a silk-dome tweeter ensures snappy, accurate transient reproduction.

The 4.5-inch, woven-composite, low-frequency driver produces tight, clear bass with plenty of punch that defies the Eris Studio 4's space-saving size. The ported enclosure and 50W of biamped power combine to maximize bass response and allow the Eris Studio 4 to reach down to an astonishing 55 Hz - without a subwoofer!

Flexible input options let you connect almost any line-level source, from mixers to audio interfaces and more. You'll have no problem hooking Eris speakers up to virtually anything.

Features

4.5-inch, woven-composite, low-frequency transducer
1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
100-(H) x 60-(V) EBM waveguide for wide sweet spot
Front-firing acoustic port for superior bass-frequency reproduction and optimized, resonance-suppressing internal bracing
50W, Class AB biamplification
55 Hz to 20 kHz frequency response
100 dB SPL (Peak, @ 1 meter)
Acoustic Tuning controls: HF (+/-6 dB, continuously variable); Midrange (+/-6 dB, continuously variable), and Acoustic Space (flat, -2, -4 dB), plus highpass filter (Off, 80 Hz, 100 Hz)
RF interference, output-current limiting, over-temperature, transient, subsonic protection and amplifier "soft start" feature (eliminates popping on power-up)
Internal power supply with IEC connector and power switch with on/off LED
Balanced XLR and 14-inch inputs and unbalanced RCA inputs

Set up your studio monitors for your room.

Erisr Studio 4 active monitors are equipped with Acoustic Tuning controls to ensure the flattest response in your mix environment. You get Low Cut, Mid, and High controls, as well as three-way Acoustic Space tuning that makes it easy to compensate for the boundary bass boost that occurs when a speaker is placed too close to a wall.

Honest. Expressive. Powerful.

Like all PreSonusr studio monitors, the Erisr Studio 4 offers consistent, accurate listening. Their stylish design makes them a welcome addition to any mix space, and their smooth, incredibly even frequency response ensures that your mixes will sound great everywhere.

Specs

Electronics
Voltage: 220-240V UK
Wattage: 80 Watts
Input impedance: 10 kO

Performance
Peak SPL: 99 dB (@ 1 meter)

Speakers
Crossover frequency: 2.7 kHz

Hardware
Cabinet material: Vinyl-Laminated, Medium-Density Fiberboard

Audio controls: Volume High Frequency (+/-6 dB, center 10 kHz, continuously variable) Mid Frequency (+/-6 dB, center 1 kHz, continuously variable)

Audio switches: Acoustic Space (Flat, -2 dB, -4 dB) Low Cut (Flat, 80 Hz, 100 Hz @ -12 dB / octave)

Monitor inputs: 1- Balanced XLR, 1- Balanced 14" TRS, 1- Unbalanced RCA
Power amplifier type: Class AB

Measurements

Dimensions: 10.00 x 7.00 x 7.20 in

Depth: 7.28" (18.5 cm)
Height: 10" (25.4 cm)
Width: 7" (17.8 cm)

Notes: Build upon the legacy of our famous nEar05 models, the new aktiv 05 near field reference monitor take professional level 5" near field monitoring speakers for the entry level to yet another level.

The monitor boasts an ultra-flat low frequency response with its newly designed larger silk dome tweeter and the top quality kevlar 5" driver delivers unparalleled punch in the low-mid frequency - a major improvement over the paper and polypropylene drivers used in most comparable products. ESI was the first vendor using kevlar for studio monitors in this price range as material inside the low frequency driver. Other vendors have since copied our idea, however there is much more to excellent sound of aktiv 05. A new tuning of all components by our engineers in Germany and the use of the completelely new crossover design, turn aktiv 05 into yet another milestone in the ESI studio monitor legacy.

Optionally an aktiv 05 based monitoring system can be expanded with a subwoofer like our aktiv 10s. aktiv 05 is the perfect alternative to our higher end uniK 05+ reference monitor if you are on a budget.

Features
2-way powered speaker / active studio monitor speaker
5" kevlar curved cone (magnetic shielding type) as LF driver
1" silk dome tweeter as HF driver
output power 60W (HF 30W, LF 30W), 85W AC consumption power
magnetically shielded for desktop operation
input connections: XLR / TS1/4" combo connector, balanced / unbalanced input
input impedance: 23.3 kOhm balanced, 13.3 kOhm unbalanced
input sensitivity: 75mV@1Watt, 415mV@30Watt
frequency response: 50Hz - 20kHz
crossover frequency: 2.5 kHz
SPL: 88dB +/- 3dB
operating voltage: AC100-240V 50/60Hz, with 115V / 230V AC selection switch
blue power LED on the front
standby function, can be turned on and off (only models sold in certain countries)
dimensions: 250mm (H) x 176mm (W) x 200mm (D)
weight: ca. 4.5kg

Notes: ***B-STOCK: Box damaged, product in perfect working order***


PreSonus Eris-series studio monitors are used worldwide by audio engineers and producers who need to hear every detail of their recordings. Our best-selling studio monitors just got better! Eris 3.5 media reference monitors deliver studio-quality sound in an elegant, compact form factor that makes them ideally suited for bedroom studios, video production, and high-fidelity gaming setups.

With 25 watts per side of onboard power, the Eris 3.5 reference monitors pack a serious punch, while still delivering clear, accurate audio. The weave and nature of the Eris 3.5's 3.5-inch woofer result in tight bass that you can feel, as well as cleaner overall sound. The one-inch silk-dome tweeter produces refined high-frequencies and is designed to radiate sound with a wide pattern, creating a large optimal listening area. Improved speaker voicing over previous designs delivers richer lows and a smoother crossover transition for articulate, accurate transient reproduction throughout the frequency range and a less-fatiguing listening experience.

A convenient front-panel knob sets the level of both the power amp and the loud, clear headphone amplifier, with its front-panel jack. With three types of inputs, it's easy to connect just about any audio source to Eris 3.5 reference monitors. High- and low-frequency controls let you easily adjust the Eris speaker's frequency response to compensate for the acoustics of your space and create the most accurate sonic reproduction possible.

Need a little more low end? Add an Eris Sub8 BT to build a perfectly matched 2.1 sound system that fits almost anywhere.

Features

3.5-inch, woven-composite, low-frequency driver
1-inch, ultra-low mass, silk-dome, high-frequency driver
50W, Class AB dual amplification
80 Hz to 20 kHz frequency response
98 dB SPL (Peak, @ 1 meter)
High- and low-frequency Acoustic Tuning controls
Balanced, 14-inch TRS inputs; unbalanced, 1/8-inch stereo and RCA inputs; and integrated stereo headphone amplifier with front-panel 1/8-inch output
Protection: RF interference, output-current limiting, over-temperature, turn-on/off transient, subsonic filter
Power Saver mode (engages after 40 minutes)
Comes with speaker wire, 1/8-inch TRS to stereo RCA cable, and stereo RCA to stereo TS cable

Versatile connectivity.

PreSonusr Erisr 3.5 reference monitors connect to virtually any line-level audio source, using rear-panel, 14-inch TRS and RCA inputs and a front-panel, 1/8-inch, stereo line input. You also get a convenient (and loud!) front-panel, 1/8-inch, stereo headphone jack; connecting headphones mutes the speakers.

Built to match your room.

Unlike other home audio speakers that hype the bass at the expense of other frequencies, Erisr speakers provide an even response throughout the frequency range, from bass to treble. This means you'll hear your favourite music exactly as artists and engineers intend it to be heard. High and Low Acoustic Tuning controls let you dial in the Eris 3.5s precisely to your environment to further ensure the best sound possible.
Honest. Expressive. Powerful.

Like all PreSonus media reference monitors, the Erisr 3.5 offers consistent, accurate listening. Their stylish design makes them a welcome addition to living rooms, compact home theatre setups, and gaming rigs, and their smooth and even frequency response ensures that your music - and everyone else's - will sound incredible.

Specs

Electronics
Voltage: 220-240V UK
Wattage: 25 Watts (Each Speaker)
Input impedance: 10 kO

Performance
Peak SPL: 98 dB (@ 1 meter)

Speakers
Crossover frequency: 2.8 kHz

Hardware
Cabinet material: Vinyl-Laminated, Medium-Density Fiberboard
Audio controls: Volume High Frequency (+/-6 dB, center 10 kHz, continuously variable) Low Frequency (+/-6 dB, center 100 Hz, continuously variable)
Monitor inputs: Bluetooth 5.0, 1 x Stereo 1/8", 2 x Balanced 1/4" TRS, 2 x Unbalanced RCA
Power amplifier type: Class AB

Measurements
Dimensions: 8.30 x 5.50 x 6.00 in

Depth: 6.5" (16.4 cm)
Height: 8.3" (21.0 cm)
Width: 5.6" (14.1 cm)