If you have a spare $40,000, these Mark Neumann Coliseum XLS speakers are what you want. Only 13 pairs will be produced. They reproduce audio using 360 degree disbursement capabilities inspired by the grand piano.
Made from wood, these speakers each measure 43.75-inches tall, 18-inches wide and 22-inches deep. They also feature a few 7-inch E7 reference drivers with high frequency tweeters on each channel and a bass system that features two 8-inch woofers with a frequency range of 20Hz to 20,000Hz.