Frequency response: 75Hz 20kHz. Tweeter amplifier power: 8 watts/Channel. Woofer amplifier power: 12 watts/Channel. Connectivity flexible. Convenient. Easy.The dt-3 features a 3.5mm TRS stereo input jack on the front panel for easy access, Plus a stereo pair of RCA jacks and a stereo pair of 1/4" Balanced TRS jacks on the rear panel, allowing you to connect mobile, consumer, and professional audio equipment. Using the 3.5mm headphone jack on the front panel automatically mutes the speaker output, allowing you to easily switch to silent operation when you need to avoid disturbing others in the home or office. Premium drivers and build high-performance drivers. Compact, ported cabinet. Clear, full audio is delivered by high-output 3.5" Polypropylene woofers and 0.75" Silk dome tweeters that are powered by a 50-Watt class AB amplifier. The rounded and ported MDF cabinet has been custom tuned for superior near-field frequency response and sonic performance, while ensuring that they look as good as they sound.