Open Box / B - Stock Info: The exterior grade is 8.0 out of 10, showing some surface wear. The item's cosmetic note is not applicable. It has been tested for functionality. The original exterior packaging might show damage. Note that all open - box / b - stock items are final sale. These powered bookshelf speakers come with Bluetooth and a built - in EQ at an excellent price. You can easily control volume, bass, and treble with on - board rotary controls on the side. Connect two separate RCA inputs at once and select the input by pushing the volume knob. They support HD audio via optical and coaxial inputs, meeting both analog and digital needs. As active monitors, no amplifier is required. A wireless remote is included for easy input switching and can control Bluetooth - connected devices. All necessary cables are provided. In this price range, it offers unparalleled features like dual RCA, optical inputs, Bluetooth, and EQ. Key features include 21 Watts RMS per channel output, a signal - to - noise ratio of ≥85dBA (A), a noise level of ≤25dB (A), a frequency response of 55Hz – 20kHz, a 4' bass unit, a 13mm silk dome tweeter, and removable grills. Comes with a remote with batteries, speaker wire, 3.5mm to RCA Y - cable, RCA to RCA cable, and an optical cable. Also, enjoy a free upgrade with subwoofer output, improved TI amplifiers, sound specializer control for a wider soundstage, and an improved remote control.
Using Your Edifier R1280DB Speakers: First, connect the speakers to your audio source using the provided cables. You can choose from RCA, optical, or coaxial inputs depending on your device. For Bluetooth connection, turn on the speakers and put your device in pairing mode. Use the on - board rotary controls on the side of the speaker to adjust volume, bass, and treble. To switch between inputs, just push the volume knob. The included wireless remote makes it easy to control input switching and even works with Bluetooth - connected devices. Note: Since these are open - box items, they are final sale. The exterior might have some surface wear and the packaging could be damaged, but the functionality has been tested. Maintenance: Keep the speakers in a clean and dry place. Wipe the exterior gently with a soft cloth. Avoid exposing them to extreme temperatures or humidity. The removable grills can be taken off for easy cleaning. If you use the free upgrade features, like the subwoofer output, make sure to connect the subwoofer properly according to the instructions.
