MartinLogan Helos20 In-Ceiling Speaker with Paintable Frame and Grill (Discontinued by Manufacturer) Stereo capable, MartinLogan in ceiling for great sound in smaller single speaker environments Solid hardware for clean and reliable installation Twin 3/4" tweeter, aluminum woofer and top crossover for great stereo sound from a single unit Easy to power with nearly any electronics Included shield for easy painting allows Helos20 to match any dcor