Avalon Acoustics Tesseract - 1.93 metres and only $300,000 !!
Speaker design and audio by David Crewe; mechanical engineer and master wood craftsman with strong creative genes. Hand-spun copper over poplar & maple wood speaker housing on walnut base.
The QuarterWave is a handcrafted Bluetooth speaker system which implements a tapered acoustic transmission channel designed to produce a full-range superior quality sound. The QuarterWave is designed to transform any music listener into a true audiophile as we've removed the guesswork in finding the acoustic system to brilliantly reproduce your favorite music.