According to Sunfire Vice President of Sales and Marketing, Randy Bingham, the Theater Grand Tuner/Preamp/Processor has been upgraded to Version IV with the addition of DolbyÆ Pro Logic IIX, and a new oval display window.Dark rosewood under a hand-polished clear lacquer distinguishes the Sunfire EQ and EQ Signature model subwoofer enclosures. On the back are balanced inputs and connections used in conjunction with a measurement microphone that will tailor subwoofer frequency contour to the user's room. Two new subwoofers, the Solitaire 10 and Solitaire 12 also have built-in diagnostic EQ with calibrated measurement microphone, balanced inputs and re-designed amplifiers. Sunfire stereo power amplifiers have been restyled and renamed as the Sunfire 600 two (600 watts/channel) and Sunfire 300 two (300 watts/channel). Multichannel amplifiers include the Cinema Grand 400 five (5 x 400 watts/channel), Cinema Grand 200 five (5 x 200 watts/channel), Cinema Grand 400 seven (7 x 400 watts/channel), and the Cinema Grand 200 seven (7 x 200 watts/channel). Each has Sunfire's distinctive new oval meter window.The only Sunfire products that remain the same are the True Subwoofer Super Junior and Ultimate Receiver. For more information, please visit www.sunfire.com.