Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Gemini Audio Visual Inc. ← View details 5 Cambridge Parkway, Cambridge, MA 02142 +1 617-547-3253