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Ceres C3.5 BT

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Rich, high fidelity with recording-studio sound.
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Rich, high fidelity with recording-studio sound.

PreSonus™ studio tools are used worldwide by recording engineers who need to hear every audio detail. Now you can, too. Ceres active monitor speakers give your home or office the sound of a studio listening environment and provide flexible connection options, professional controls, and the convenience of wireless streaming audio from any Bluetooth® source.

You may not have heard of PreSonus, but you hear us every day.

On radio and TV. On MP3s and online videos. On movie and gaming soundtracks. PreSonus makes the technology that audio engineering professionals use to record, broadcast and stream high fidelity audio.

Based on the technology found in our widely used studio monitors, but with the ease of use and convenience of Bluetooth®, PreSonus Ceres speakers let you hear audio with the same accuracy and detail of the original performance right in your own home.

Ceres. The difference between conventional home speakers... and reality.

In the recording studio, artists rely on the accuracy of quality monitor speakers, including five models made by PreSonus. They need to discern every detail. We adapted our most popular professional design by adding Bluetooth® wireless connectivity so you can hear what the recording engineer heard. You get natural midrange, crisp treble and tight bass that is simply not possible with battery or USB-powered “speakers.”

The technical details.

  Ceres C3.5 BTCeres C4.5 BT
Tweeter 22mm silk-dome 22mm silk-dome
Woofer 3.5-inch long-throw Kevlar 4.5-inch long-throw Kevlar
Power High-current internal amplifier High-current internal amplifier
Ports Rear-firing tuned for bass enhancement Rear-firing tuned port
Outputs Subwoofer output Subwoofer output
Controls Treble and bass Acoustic Tuning Treble and bass Acoustic Tuning
Rear Inputs RCA and professional ¼-inch RCA and professional ¼-inch
Volume Control Front-panel volume control Front-panel volume control
Headphone ⅛-inch (3.5mm) headphone output ⅛-inch (3.5mm) headphone output
Front Input ⅛-inch (3.5mm) auxillary input ⅛-inch (3.5mm) auxillary input
Energy Conservation Mode: Ceres C3.5 BT and Ceres C4.5 BT speakers enter a standby power mode when not in use for an extended period of time and are compliant with European Directive ErP 2009/125/EC.

Product Details

Product Details

Platform Hybrid (Mac and PC)
Manufacturer PRESONUS


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