Wisdom Audio’s Infinite Wisdom Grand, Transmission Audio’s Ultimate and the Goldmund Epilogue Signature Audio systems are a few expensive stereo systems. Wisdom Audio’s Infinite Wisdom Grand, which system costs $700,000 as of 2015, has 13-foot speakers and weighs 2 tons. It is ideal for multilevel homes and palatial estates.
Transmission Audio’s Ultimate system features two speakers, each containing 40 subwoofers, with an output of 31,000 watts. The system, which comes with a 10-year warranty, has a value of $2 million.
The Goldmund Epilogue Signature Audio system, which has a $1 million price tag, consists of Epilogue 1 speakers with brass, steel and aluminum enclosures, neoprene seals for speaker driver components and a sophisticated crossover design that allows for easy upgrades as they become available.