About the MTX RTX658
Are you looking to play your music loud? If so, you'll want to check out MTX's Road Thunder Extreme speakers, which use PA system technology to bring concert sound levels to your car. MTX built the RTX658 6-1/2" midbass speaker to fill in the frequencies in between where your tweeters and subwoofers play. And, believe us — this incredibly efficient speaker will give you plenty of volume when you feed it some serious power.
They'll hear you coming
Are you looking to play your music loud? If so, you'll want to check out MTX's Road Thunder Extreme speakers, which use PA system technology to bring concert sound levels to your car. MTX built the RTX658 6-1/2" midbass speaker to fill in the frequencies in between where your tweeters and subwoofers play. And, believe us — this incredibly efficient speaker will give you plenty of volume when you feed it some serious power.
Built for high power
The RTX658 handles up to 100 watts RMS thanks to its hefty magnet, treated paper cone, and cloth surround. You can also easily run two of these 8-ohm speakers with a single amplifier channel, great news if you're installing two in each door. You can install this speaker in an enclosure if you want, but it works great in a free-air applications.
Note: This package contains one speaker. You'll need an external amplifier to drive this speaker properly — an in-dash stereo won't have enough power.
Product highlights:
- 6-1/2" midbass speaker with 8-ohm voice coil
- treated paper cone
- treated foam surround
- power range: 25-100 watts RMS (300 watts peak power)
- frequency response: 136-6500 Hz
- sensitivity: 94 dB
- mounting depth: 2-5/8"
- warranty: 2 years
- MFR # RTX658
What's in the box:
- One midrange driver
- Specification sheet
Customer reviews for MTX RTX658
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More details on the MTX RTX658
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Specifications
- Fs (resonant frequency): 148.7 Hz
- Qms (mechanical Q at Fs): 8.298
- Cms (suspension compliance): 0.133 mm/N
- Mms (diaphragm/coil mass, including acoustic load): 8.588 g
- Rms (suspension's mechanical resistance): 0.967 kg/s
- Vas (equivalent compliance volume): 3.327 liters
- Xmax (maximum linear peak): 0.295mm
- D (cone diameter): 5.11"
- Sd (cone area): 132.73 cm² (0.013273 m²)
- Vd (peak displacement volume): 0.004 liters
- Qes (Electrical Q at Fs): 1.272
- Re (voice coil DC resistance): 5.97 Ω
- Le (Voice coil inductance): 0.326 mH
- Bl (force factor): 6.14 Tm
- Qts (total Q at Fs): 1.103
- η0 (reference efficiency): 0.827%
- Peak Power: 300 watts
- SPL: 94.0 dB
- Frequency Response: 136 Hz to 6.5 kHz
- Recommended Crossover: 500 Hz high pass
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if your looking for loud clear hi's these are the best deal so insanly loud
ray from cleveland OH