PreSonus Eris E4.5 BT

Designed by a proven leader in studio reference monitors, PreSonus Eris E4.5 BT speakers deliver studio-quality sound with the convenience of Bluetooth® wireless technology. In addition to Bluetooth wireless connectivity, you get the flexibility of rear-panel, ¼-inch TRS and RCA inputs; a front-panel 1/8-inch stereo line input for use with mobile audio devices; a handy front-panel volume control; and an integrated headphone amplifier. Experience loud, clear audio thanks to 50W of onboard Class AB power. Want more bass? Adjust the speakers’ response to taste with low- and high-frequency tuning controls. The Eris E4.5 BT speakers’ elegantly compact form is well-suited for any home environment, yet they’re compact enough to fit almost anywhere. making them a great choice for music lovers, content creators, and gamers.

These are small monitors, giving you 4.5″ woven composite woofers and 1″ silk dome tweeters for a balanced sound across its 70 Hz to 20 kHz frequency range. You can input sound to the monitors over 1/4″ TRS jacks, unbalanced RCA inputs, a 3.5mm auxiliary input, and Bluetooth 5.0 streaming. Whether you’re monitoring from an audio interface, a computer output, a receiver, or a mobile device, these monitors can accommodate you.

Change the level with a prominent front-panel volume control. On the rear, you’ll find both high and low EQ knobs for tuning the monitors to your room. There is 50W of Class AB power supplied (25W per side) giving you a powerful punch for the size. When you need to work or listen late at night, you’ll appreciate the built-in headphone amplifier and 3.5mm headphone output for silent monitoring.

Choosing the right pair of monitors for your home studio can turn a good mix into an incredible track. That’s where the PreSonus 4.5 Eris Series Active Bluetooth Monitors come in. Whether you’re gaming, mixing, or mastering, these compact monitors create accurate sound reproduction without the cables! These monitors have 4 different types of audio connections (1/4″ TRS, RCA, 1/8″ stereo, and Bluetooth) that let you dish out audio from almost any source, including smart devices. You’ll also find manual acoustic tuning knobs on the back of the units to optimize them for your acoustic environment.

Features

Design and Build Quality

Aesthetics and Form Factor

The Eris E4.5 BT monitors maintain the sleek, professional aesthetic characteristic of the Eris series. Each speaker features a matte black finish that exudes a sense of understated elegance, making them suitable for various studio setups and home environments. The compact form factor, with dimensions of approximately 7.8 x 6.1 x 9.8 inches per speaker, ensures they can fit comfortably on most desks without occupying excessive space.

Construction and Durability

Constructed with high-quality MDF (medium-density fiberboard), the Eris E4.5 BT monitors boast a robust build that can withstand the rigors of regular use. The front baffle, designed to minimize diffraction, contributes to the speakers’ ability to deliver clear and accurate sound. The monitors are also equipped with protective metal grilles over the drivers, which safeguard against accidental damage while adding to the overall durability.

Features

Speaker Drivers

The Eris E4.5 BT monitors are equipped with a 4.5-inch Kevlar low-frequency driver and a 1-inch silk-dome tweeter. The Kevlar woofer is designed to provide tight, accurate bass response without distortion, while the silk-dome tweeter delivers smooth and detailed high frequencies. This combination ensures a well-balanced sound profile that is suitable for a variety of audio applications, from music production to casual listening.

Acoustic Tuning Controls

One of the standout features of the Eris E4.5 BT monitors is the inclusion of acoustic tuning controls. Located on the rear panel, these controls allow users to adjust the speakers’ frequency response to suit their listening environment. The controls include:

• High-Frequency (HF) Control: This control allows for adjustments of ±6 dB, enabling users to fine-tune the high frequencies to account for room acoustics or personal preference.
• Low-Frequency (LF) Control: Similar to the HF control, this allows for adjustments of ±6 dB in the low frequencies, helping to optimize bass response depending on speaker placement and room characteristics.
• Acoustic Space Control: This switch offers three settings (0, -2 dB, and -4 dB) to compensate for boundary loading effects when the speakers are placed near walls or corners.

These tuning options make the Eris E4.5 BT monitors highly adaptable, ensuring optimal performance regardless of the listening environment.

Sound Quality

Frequency Response

The Eris E4.5 BT monitors deliver a frequency response of 70 Hz to 20 kHz, which, while not extending as low as some larger monitors, covers the essential frequency range for most music and multimedia applications. The bass response is tight and controlled, making it suitable for small to medium-sized rooms. The midrange is clear and detailed, allowing for accurate reproduction of vocals and instruments, while the high frequencies are crisp without being overly harsh.

Imaging and Soundstage

One of the key strengths of the Eris E4.5 BT monitors is their ability to provide excellent imaging and a well-defined soundstage. The placement of instruments and vocals within the stereo field is precise, making it easier for producers and musicians to make critical mixing decisions. This aspect also enhances the listening experience for casual users, offering a more immersive and engaging sound.

Bluetooth Connectivity

The inclusion of Bluetooth connectivity sets the Eris E4.5 BT monitors apart from many other studio monitors in this price range. This feature allows users to wirelessly stream audio from smartphones, tablets, and other Bluetooth-enabled devices. The Bluetooth functionality supports high-quality audio codecs, ensuring minimal loss in sound quality during wireless playback. This convenience makes the Eris E4.5 BT monitors versatile for both professional use and everyday listening.

Connectivity Options

Wired Connections

In addition to Bluetooth, the Eris E4.5 BT monitors offer a range of wired connectivity options to suit different setups. These include:

• Balanced TRS Inputs: For professional audio equipment, balanced TRS (Tip-Ring-Sleeve) inputs are provided, which help reduce noise and interference.
• Unbalanced RCA Inputs: These inputs are ideal for connecting consumer audio devices such as CD players and audio interfaces.
• Front-Panel 1/8″ Stereo Aux Input: Conveniently located on the front panel, this input allows for quick and easy connection of portable devices like smartphones and MP3 players.
• Headphone Output: Also on the front panel, this output enables private listening through headphones, automatically muting the speaker output when in use.

These varied connectivity options make the Eris E4.5 BT monitors highly versatile, capable of integrating seamlessly into different audio setups.

Ease of Use

Setup and Installation

Setting up the Eris E4.5 BT monitors is straightforward, thanks to the well-designed user manual and the intuitive layout of the controls. The rear panel clearly labels each input and adjustment knob, making it easy for users to connect their equipment and fine-tune the sound. The front-panel aux input and headphone output add to the convenience, allowing for quick connections without needing to reach behind the speakers.

Bluetooth Pairing

Pairing devices via Bluetooth is a simple process. By pressing the dedicated Bluetooth pairing button on the front panel, users can quickly establish a wireless connection with their Bluetooth-enabled devices. The monitors remember paired devices, enabling automatic reconnection when they are within range, which enhances the overall user experience.