✔ THE PERFECT SOLUTION: This slim profile superior sound enclosure was designed to allow high SPL midrange speakers to fit virtually anywhere. We also incorporated mounting bars for this unit so it can be safely installed/mounted in multiple locations. A GREAT addition to any sound system! ✔ OUR QUALITY: These Enclosures are 100% MDF to ensure the ultimate structural integrity and sound quality - There are no cardboard parts used in our VOICEBAR Midrange Enclosures. ✔ WHATS INSTALLED: 2 - 4" Bullet Midrange Speakers (120 Watts Max/ 60 Watts RMS Each) & 2 - MA-TW25 Super Tweeters (150 Watts Max/ 75 Watts RMS Each) ✔ DIMENSIONS: (L)18.75in. x (W)4in. x (H)4.75in. ; Weight: 11 lbs