Bose 901 speakers. They are highly regarded by many critical listeners. An integral part of the 901 system is the equalizer that comes with the speakers.
It shouldn't cause problems as long as they are installed correctly. This is probably a job that is best left to a professional, who will know the best placement for the speakers to minimize damage.
The AudioControl EQL is a competition level trunk mounted equalizer.
BOSS is the best brand of Guitar Equalizer. BOSS makes quality products and is reputable within the industry.
Jetaudio for me
Equalizer's is not my expertise so it is best to consult with a professional, but KICKER 03KQ5 5-Band Parametric Equalizer looks ok. Remember that is something you should really consult an expert with. Keep the volume down.
Using a graphic equalizer setup and calibration disc in conjunction with a decibel meter is the best way to balance your graphic equalizer so that your system has a precise, accurate sound.
sennhisers
Speakers are electronic items used to produce sound. Best Buy is a retailer that sells speakers and speaker systems including iPod speakers, bookshelf speakers, outdoors speakers and subwoofer speakers.
There is a large variety of iPad speakers. If there is a Best Buy nearby you can try that store. They might have wireless Bluetooth technology to pair the devices together
The best place to find a DBX equalizer would be on a site such as Amazon. This site sells a variety of products at prices that are often lower than in stores.
The best car door speakers are Infinity.
Bose speakers are best for frequency response.