Ground Zero Iridium speakers are very good choice for smaller budget. They offer very good price/quality ratio. Coaxials and separate systems are offered with normal and shallow mounting depth.
15 x 23 cm / 6″ x 9″ 3-Way Triax Speaker
4 ohm, 120 / 180 W, 40 Hz – 20 KHz
HQPP cone, Resonance free steel basket
High power Mylar tweeter and midrange