I'm guessing he's talking about these...
View attachment 30586
Infinity Reference 2000.4 Speakers
MSRP: $449
Production Period: 1997 to ?
Power Range: 15-150 Watts
Impedance: 8 ohm
Woofer: 6.5" Polypropylene Cone - Rubber Surround
Tweeter Front: 1" Dome
Freq. Response: 40hz - 20khz
Efficiency: 89db 1w/1m
Crossover Frequency: not published
Enclosure Type: MDF/Vinyl Covering - Bottom Ported
Dimensions: 33H x 7.5W x 10-3/8D"
Connection Type: 5-Way Binding Posts
Weight: 56.8lbs per pair
I couldn't find an actual spec sheet or anything, but there are a few for sale. That's where I got the info.