If you love the crisp clear sound that sends a chill up your spine, the simplest and most inexpensive upgrade to any sound system is to add tweeters.

Tantalum 2-way mount tweeter
Polished aluminum housing
12 dB In-Line Crossover Network
Rated Input Power: 110W
Impedance: 4ohm
Freq. Resp. 5KHZ-25KHZ
SPL 95dB