Volfenhag subwoofers are produced by VolfenhagAudio, a German concept, which produces automotive audio accesories like: car subwoofers, speakers, amplifiers, in dash and other accesories.

We start this series of Volfenhag Audio reviews with the most impressive products: the car subwoofers.
continue reading…

The TDA2030 amplifier circuit is a monolithic IC intended for use as a low frequency class AB amplifier. TDA2030 provides 14W output power (distorsions = 0.5%) at 14V/4Ω and at ± 14V or 28V is 12W/4Ω or 8W/8Ω. TheTDA2030 provides high output current and has very low harmonic and cross-over distortion which made it one of the most used IC in audio amplifiers designs.
TDA2030 can be connected in several ways to deliver different power ratings and characteristics, so we start with the simplest circuit design. continue reading…

KAC-7204 is a Stereo/Bridgeable Power Amplifier produced by Kenwood.

Sound enthusiasts buy Kenwood amps for their superior quality, and the KAC-7204D is no exception. This compact 2-channel amplifier features a sturdy cast-aluminum chassis that is 30% smaller than last year’s model and supplies 1000 Watts Max Power. continue reading…

Kicker iK500 dock is designed to be the loudest MP3 docking station on the market, the iKICK lets you get more out of your MP3 player than ever before. Bass and treble adjustments allow you to enjoy your music the way you want. The big five-inch woofers, 19mm tweeters and 40-watt stereo amplifiers deliver the kind of crisp, powerful sound you expect from a KICKER product. KICKER’s patent-pending six-inch square reflex subwoofer delivers a dynamic bass response unmatched by other MP3 docking stations. continue reading…