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  1. Home
  2. Earthquake Sound Store
  3. Discontinued Earthquake Sound Car Audio & Electronics
  4. Discontinued Earthquake Sound Car Speakers
  5. Discontinued Earthquake Sound Midbass Drivers & Midrange Speakers

Discontinued Earthquake Sound Midbass Drivers & Midrange Speakers

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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Earthquake Sound EQ6-4 (Sold Individually)

200W Peak 6.5” EQ Series 4-ohm Midbass Car Speaker

EQ6-4 big DISCONTINUED
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Earthquake Sound EQ6-4 (Sold Individually)

200W Peak 6.5” EQ Series 4-ohm Midbass Car Speaker

• 200 watts Peak Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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• 200 watts Peak Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Earthquake EQ6-S8 (Open Box, Great)

400W Peak 6.5” EQ Series 8-ohm Midbass Car Speakers

EQ6-S8 big DISCONTINUED
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Earthquake EQ6-S8 (Open Box, Great)

400W Peak 6.5” EQ Series 8-ohm Midbass Car Speakers

• 200 watts Peak Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity:

• 200 watts Peak Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity:

 
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