Emotiva AirMotiv E2 speaker – The Emotiva Airmotiv E2 surround speaker is one of the best values in the entire world of consumer electronics. The speaker provides the ability to operate as a dipole, a bipolar, or the company’s proprietary inverted bipolar mode. Internally, the speaker features an Airmotiv folded-ribbon tweeter, a 5 1/4-inch woofer, and an advanced crossover network. The Airmotiv E2 is a great way to add immersion to a traditional or object-based surround system without breaking the bank.