The TU401 is a 25/70/100 volt In Ceiling or Wall 4 inch 2-way Fluted IMPP, 3/4 inch ALU Dome, 70mm.
Speaker Type – In Ceiling/In Wall 2-Way
Woofer – 4" Fluted Injected Poly
Tweeter – 3/4" Aluminum Dome
Frequency – 62 Hz – 24 kHz
Sensitivity – 88db
Butyl Rubber Surround
Sonic Vortex® Ported Transmission Line
Magnetic Bezelless Grille – White; paintable
Low Impedance – 8 ohm
25V Taps – 0.2, 0.3, 0.5, 0.9, 1.8 Watts
70V Taps – 1, 1.9, 3.8, 7.5, 15 Watts
100V Taps – 1.9, 3.8, 7.5, 15 Watts
Connector Type – Four position plug-in screw terminal
Power Handling – In 8 ohm Mode 5-80W
Speaker Weight – 2.93 lbs (1.33kg)
Cutout – 8.4" (162mm)
Diameter – 9.5" (241.4mm)
Depth – 2.76" (70.2m)
EZBracket Size – F
Highlights – 25/70/100 Volt Switchable – Ultra Shallow Depth Pancake Less Than 3" (70mm)
B = Better
MB = More Better
BB = Better than their Best
We have a Good, Better Best formula in our model hierarchy. However, the "B" in our model number designates "Better" since we believe that our "Good" is better than the competitions "Good". So, we start with Better and have some fun with the other suffixes.