PRESONUS® ERIS® 4.5BT 2ND GEN (PAIR)

Introducing the Eris Studio 4: compact studio monitors that redefine the standard.


Enjoy premium, accurate monitoring with surprising low-end in small spaces.
The custom-designed EBM waveguide delivers superior high-frequency response, while the 4.5-inch woven-composite driver produces tight, punchy bass.
With 50W of biamped power and flexible connectivity options, these monitors stand in a class of their own. No subwoofer needed.
The Eris Studio 4 reaches an astonishing 55 Hz. Perfect for home studios and small mix rooms.

The Eris Studio 4 features:

• 4.5-inch woven-composite low-frequency transducer for clear bass with punch
• 1-inch (25 mm) ultra-low-mass silk-dome high-frequency transducer for accurate transient reproduction
• 100˚(H) x 60˚(V) EBM waveguide for a wide sweet spot and precise stereo imaging
• Front-firing acoustic port for superior bass reproduction and optimized resonance suppression
• 50W Class AB biamplification for powerful and precise sound
• Frequency response: 55 Hz to 20 kHz, covering the full audio spectrum
• Peak SPL of 100 dB at 1 meter for dynamic listening experience
• Acoustic Tuning controls for adjusting HF (±6 dB, continuously variable), Midrange (±6 dB, continuously variable), and Acoustic Space (flat, -2, -4 dB), along with a highpass filter (Off, 80 Hz, 100 Hz)
• Built-in protection features: RF interference, output-current limiting, over-temperature, transient, subsonic protection, and amplifier "soft start" feature
• Internal power supply with IEC connector and power switch with on/off LED indicator
• Versatile connectivity options: Balanced XLR and ¼-inch inputs, as well as unbalanced RCA inputs.
• The Eris Studio 4 is designed to provide exceptional audio performance and versatility, making it an excellent choice for home studios and small professional mix rooms.