Eris 4.5BT - Speaker PRESONUS - Free user manual and instructions
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| Product Type | Active Studio Monitor Speaker with Bluetooth |
| Woofer Size | 4.5 inch woven-composite |
| Tweeter Size | 1 inch silk-dome |
| Amplifier Power | 50W total (25W per channel) |
| Frequency Response | 70 Hz – 20 kHz |
| Inputs | 1/4" TRS balanced, 3.5mm stereo, Bluetooth |
| Bluetooth Version | 5.0 |
| Acoustic Controls | Volume, High-Frequency Trim, Low-Frequency Trim |
| Enclosure Type | Ported (front-firing bass port) |
| Dimensions (Height x Width x Depth) | 10.2 x 6.5 x 7.3 inches (259 x 165 x 185 mm) |
| Weight (each) | 8.6 lbs (3.9 kg) |
| Power Supply | 100-120V / 220-240V, 50/60Hz |
| Standby Power Consumption | < 0.5W |
| Included Accessories | 1 pair of speakers, power cables, audio cables, user manual |
| Cleaning Instructions | Use a soft dry cloth; avoid liquids and solvents |
| Safety Precautions | Do not expose to moisture; do not block ventilation slots |
| Repairability | No user-serviceable parts; contact authorized service for repair |
Frequently Asked Questions - Eris 4.5BT PRESONUS
How do I connect the Eris 4.5BT to my phone via Bluetooth?
Ensure the speakers are powered on and the Bluetooth LED is flashing. On your phone, enable Bluetooth and select 'Eris 4.5BT' from the list. If prompted, confirm pairing. The LED will become solid when connected.
What cables are included with the PreSonus Eris 4.5BT?
The package includes power cables for your region, a 3.5mm stereo auxiliary cable, and a user manual. Balanced TRS cables are not included.
Can I use these speakers with a mixing console or audio interface?
Yes, the Eris 4.5BT has balanced 1/4" TRS inputs, making them compatible with professional audio equipment like mixing consoles and audio interfaces.
What is the total power output of the Eris 4.5BT?
The amplifier delivers 50W total, with 25W per channel (each speaker). This is sufficient for nearfield monitoring in small to medium studios.
How do I adjust the bass or treble on these speakers?
Each speaker has acoustic tuning controls on the rear panel: a High-Frequency Trim and Low-Frequency Trim. Adjust them with a small screwdriver to suit your room acoustics.
Are the Eris 4.5BT speakers magnetically shielded?
Yes, they are designed with magnetic shielding to minimize interference with nearby monitors or hard drives. However, avoid placing them directly next to sensitive electronics.
What is the frequency response of the Eris 4.5BT?
The frequency response is 70 Hz to 20 kHz, providing clear mids and highs with adequate bass for a compact monitor. For deeper bass, consider adding a subwoofer.
Can I connect the Eris 4.5BT to a TV or computer?
Yes, use the 3.5mm aux input or Bluetooth. For computers, you can also connect via USB to a DAC if your computer has an audio interface; otherwise, use the analog output.
How do I clean the speakers?
Unplug the speakers and use a soft, dry cloth to wipe the cabinet. Do not use any liquids, solvents, or abrasive cleaners. Avoid touching the drivers.
What should I do if the speakers produce no sound?
Check power connections, ensure the volume is turned up, and verify the input source is active. Try a different cable or input. If still no sound, consult the user manual or contact PreSonus support.
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USER MANUAL Eris 4.5BT PRESONUS
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Product information
Brand : PRESONUS
Model : Eris 4.5BT
Category : Speaker