# Studio active monitor PreSonus Eris 4.5 BT — 2x25W RMS, 70–20000 Hz, Bluetooth 5.0, TRS/RCA/AUX, 3.5 mm headphone, black

**URL:** https://aio.lv/en/product--presonus-pre-eris-45-bt--10729891
**Data updated:** 2026-01-21 13:35 (EET)
**Category:** Speakers
**Manufacturer:** PreSonus
**Manufacturer code:** PRE ERIS 45 BT
**EAN:** 673454011917
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 183.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 152.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--presonus-pre-eris-45-bt--10729891

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 5.47 EUR |

## Summary description

PreSonus Eris 4.5 BT is a studio active monitor designed for nearfield monitoring. It delivers 2 × 25 W RMS (50 W total) with a frequency response of 70–20000 Hz and a maximum SPL of 100 dB. Connectivity includes Bluetooth 5.0, two TRS 1/4" inputs, two RCA inputs, AUX in and a 3.5 mm headphone output. Features rotary volume control, AC power, compact 163×241×179 mm housing and 4.5 kg weight—suitable for home studios, podcasting and multimedia production.

## Long description

PreSonus Eris 4.5 BT is a compact active studio monitor designed for nearfield monitoring in home and project studios. It provides 2 × 25 W RMS power, a frequency response of 70–20000 Hz and a maximum SPL of 100 dB. The monitor supports wired and wireless connectivity — Bluetooth 5.0, two TRS 1/4" inputs, two RCA inputs and an AUX input — and includes a 3.5 mm headphone output and a rotary volume control. The cabinet measures 163 × 241 × 179 mm and the unit weighs 4.5 kg.
Advantages
The Eris 4.5 BT combines compact dimensions and moderate power output for accurate nearfield monitoring in small rooms. Bluetooth 5.0 enables simple wireless streaming while wired inputs (TRS, RCA, AUX) cover common studio sources. The built-in headphone output and rotary volume control simplify monitoring and level adjustment.
Suitable for
Home recording and project studios
Podcasting and voice-over work
Multimedia production and content creation
Key specifications
Type: Active studio monitor
Power: 2 × 25 W RMS (50 W total)
Frequency range: 70–20000 Hz
Maximum SPL: 100 dB
Connectivity: Bluetooth 5.0, 2 × TRS 1/4" inputs, 2 × RCA inputs, AUX in, 3.5 mm headphone output
Volume control: Rotary
Power source: AC
Dimensions (W × H × D): 163 × 241 × 179 mm
Weight: 4.5 kg
Colour: Black
Tweeter diameter: 25.4 mm
Woofer diameter: 11.4 cm
How to use
Place the monitor at nearfield listening distance, ideally forming an equilateral triangle with the listening position and the paired monitor. Connect the audio source via TRS, RCA or AUX cable for wired monitoring, or pair a device using Bluetooth 5.0 for wireless playback. Use the rotary control to set the output level and plug headphones into the 3.5 mm output for private monitoring. Power the unit from an AC outlet.
Usage recommendations
For accurate results, position the speakers on stands or isolation pads at ear height and allow a short warm-up period before critical listening. Keep reflective surfaces and nearby walls in mind to reduce low-frequency buildup in small rooms.

## FAQ

### How much does the PreSonus Eris 4.5 BT studio active monitor cost, and is it available for purchase?

The price is 183.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can PreSonus Eris 4.5 BT studio active monitor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All PreSonus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized PreSonus service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10729891/60114794_large.webp