Like New: This open box product shows no signs of use. The Pioneer DJ DM-40D-BT 4-Inch Bluetooth Desktop Monitor in black is a great choice for both DJs and music producers. The DM series speakers offer balanced and punchy bass. With a new Class D amplifier and 4-inch woofer in each unit, they can deliver extra power. Just flip the switch to change from DJ mode to Production mode, and the DSP settings will automatically optimize the sound for each task. It features a 2-way sound mode, perfect for both DJing and music production. You don't have to choose between monitors for DJing or music-making. It's easy to connect with different DJ or production equipment, thanks to RCA, mini jack, and the newly added TRS input terminals. You can also connect your headphones via the front panel socket. The Bluetooth connectivity allows you to pair your smartphone, mobile device, or PC/Mac and play high-quality tracks wirelessly. Key features include pure and balanced bass sound from the new Class D amplifier with 96kHz sampling DSP, clear high frequencies from the updated DECO convex diffusers, well-aligned woofer and tweeter for clear sound, tight and punchy bass with reduced air friction in the ducts, and powerful sound without distortion from the 4-inch woofer. Technical specifications: It's a 2-way bass reflex, active monitor speaker with a 3/4” (19 mm) soft dome tweeter and a 4-inch Fiberglass woofer. The box includes the DM-40D-BT, power cord, audio converter cable, speaker cord, bottom cushion, quick start guide, precautions for use, and warranty. Dimensions and weight vary for left and right channels. Amplifier output is 19 W / 4 Ω for each channel, with an impedance of 10 kΩ. The enclosure is bass reflex made of MDF vinyl laminate. Power consumption is 20 W and 0.3 W or less in standby mode. Inputs include RCA pin jack and 3.5 mm stereo mini jack, and the output is a 3.5 mm stereo mini jack.

Using the Pioneer DJ DM-40D-BT speakers is a breeze. First, unpack the box and make sure you have all the items: the speakers, power cord, audio converter cable, speaker cord, bottom cushion, quick start guide, precautions for use, and warranty. Connect the power cord to a power source and turn on the speakers. To connect your devices, you can use the RCA, mini jack, or TRS input terminals depending on your equipment. If you want to use Bluetooth, pair your smartphone, mobile device, or PC/Mac with the speakers as you would with any Bluetooth device. To switch between DJ mode and Production mode, just flip the switch on the speakers, and the DSP settings will adjust automatically. When using headphones, plug them into the socket on the front panel and adjust the volume with the level knob in front of you. As for maintenance, keep the speakers clean by wiping them with a soft, dry cloth. Avoid placing them in humid or dusty environments. If you need to move the speakers, handle them carefully to prevent damage. And always follow the precautions for use and warranty instructions provided in the box.