MTX Car Audio - Thunder Round 45

I have used MTX since 1991. From Terminators to Thunder Round… Currently [using] 2 TR4512-44's. Not to go on and on about the great MTX products I've owned but MTX is the best, bottom line. I really can't express it... Loyd Ivey is the car audio king!
— Kevin
Mobile, Alabama

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Thunder Round 4515 Subwoofer Specifications

Model	TR4515-44	TR4515-04
Description	15" Subwoofer	15" Subwoofer
Impedance	Dual 4 $Ω$	4 $Ω$
RMS Power (Watts)	300	300
Rec. RMS Amplifier Power (Watts)	150 - 300	150 - 300
Sensitivity	92.8dB	90.7dB
Voice Coil	1.95"	1.95"
Magnet Weight (oz.)	55	55
Mounting Depth	6.8"	6.8"
Cut Out Diameter	13.85"	13.85"
Sealed Enclosure Net Volume	1.75ft³	1.75ft³
Vented Enclosure Net Volume	2.5ft³	2.5ft³
Volume Displacement (SD x XMAX) (in³)	63.55	63.55
Tuning Frequency	32Hz	32Hz

Thunder Round 4512 Subwoofer Specifications

Model	TR4512-44	TR4512-04
Description	12" Subwoofer	12" Subwoofer
Impedance	Dual 4 $Ω$	4 $Ω$
RMS Power (Watts)	250	250
Rec. RMS Amplifier Power (Watts)	125 - 250	125 - 250
Sensitivity	86.2db	86.9db
Voice Coil	1.5"	1.5"
Magnet Weight (oz.)	48	48
Mounting Depth	5.41"	5.41"
Cut Out Diameter	11.063"	11.063"
Sealed Enclosure Net Volume	1.25ft³	1.25ft³
Vented Enclosure Net Volume	2.0ft³	2.0ft³
Volume Displacement (SD x XMAX) (in³)	31.28	31.13
Tuning Frequency	35Hz	35Hz

Thunder Round 4510 Subwoofer Specifications

Model	TR4510-44	TR4510-04
Description	10" Subwoofer	10" Subwoofer
Impedance	Dual 4 $Ω$	4 $Ω$
RMS Power (Watts)	200	200
Rec. RMS Amplifier Power (Watts)	100 - 200	$100 - 200$
Sensitivity	85.8db	86.4db
Voice Coil	1.5"	1.5"
Magnet Weight (oz.)	48	48
Mounting Depth	4.85"	4.85"
Cut Out Diameter	9.17"	9.17"
Sealed Enclosure Net Volume	.75ft³	.75ft³
Vented Enclosure Net Volume	1.45ft³	1.45ft³
Volume Displacement (SD x XMAX) (in³)	21.86	21.86
Tuning Frequency	35Hz	35Hz

MTX Car Audio - MTX delivers classic, high performance car, home and professional audio products geared toward audio fans of all ages and listening preferences. This web site makes use of Macromedia^®Flash^TM software. You have an old version of Macromedia Flash Player that cannot play the content we've created.
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