PreSonus|SKU: Eris-4.5BT

PreSonus Eris 4.5BT 2nd Gen 4.5-Inch Media Reference Monitors with Bluetooth

Sale price $188.99 Regular price $241.49

Product highlights

  • 4.5-inch, woven-composite, low-frequency transducer
  • 1-inch ultra-low-mass, silk-dome, high-frequency transducer
  • Fast, reliable, stereo Bluetooth 5.0 wireless input
  • 50W (25W per side) Class AB amplification
  • 70 Hz to 20 kHz frequency response
  • 100 dB SPL (Peak, at 1 meter)
  • RCA and 1/4-inch balanced​ TRS rear-panel inputs
  • Front-panel 1/8-inch stereo Aux IN for mobile audio devices
  • Headphone amplifier with front-panel stereo 1/8-inch jack
  • Fine-tune with high- and low-frequency controls

In the box

  • PreSonus Eris 4.5BT 2nd Gen 4.5-Inch Media Reference Monitors with Bluetooth Wireless Technology
  • Limited 2-Year Warranty

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

PreSonus Eris-series studio monitors are used worldwide by audio engineers and producers who need to hear every detail of their recordings. The PreSonus Eris 4.5 BT 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.

Low-End Punch with Clear Audio

With 25 watts per side of onboard power, the Eris 4.5 BT reference monitors pack a serious low-end punch while still delivering clear, accurate audio. Improved speaker voicing over previous designs delivers richer lows and a smoother crossover transition for articulate, accurate transient reproduction through the frequency range and a less fatiguing listening experience.

Versatile for Use in Any Environment

Integrated Bluetooth 5.0 wireless connectivity, flexible analog connection options, and a convenient, integrated headphone output make Eris 4.5 BT at home in any environment, from home studios to dorm rooms. High- and low-frequency controls make it easy to adjust the Eris speaker’s frequency response to taste and ensure optimal performance in any space. Whether making music or listening to your favorite songs, Eris 4.5 BT provides a studio-quality sound that will bring your audio to life.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy.