Your search for boston acoustic car speaker returned the following:

5-1/4" component speaker system

IN STOCK

3 people say 

• 5-1/4" copolymer woofers
• 1" Type-M1 anodized alloy tweeters
• 2-125 watts power range

Imaging System Type-S1 1" Kortec® dome tweeters

LOW STOCK

2 people say 

• 1" Kortec domes
• frequency response: 8,000-22,000 Hz
• 2-40 watts RMS power range

GTuned™ ported enclosure with dual 10" G1 subwoofers

IN STOCK

1 person says 

• GTuned™ ported enclosure with two 10" G1 subwoofers
• 2-ohm total impedance
• power handling: 100-400 watts RMS

GTuned™ ported enclosure with a 10" G1 subwoofer

IN STOCK

2 people say 

• GTuned™ ported enclosure with one 10" G1 subwoofer
• 4-ohm total impedance
• power handling: 50-200 watts RMS