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Pair of 6.5 inch coaxial car speakers with black glass fibre cones and recessed tweeters

DS18

DS18 EXL-SQ65 6.5" 2-Way Coaxial Car Speaker Pair 400W 3 Ohm

SKU CH-Z6VP-PGMAX MPN EXL-SQ65

Pair of 6.5-inch two-way coaxial car speakers with 120 W RMS power handling and 90 dB sensitivity

  • Compatible vehiclesAutomotive
  • Peak wattage400 W
  • RMS power rating120 W
  • Audio sensitivity90 dB
  • Rated impedance3 Ohm
  • Product typeCarSpeakers
  • 400 W peak power handles loud transients
  • 120 W RMS delivers sustained clean output
  • 90 dB sensitivity produces high volume with less amp power
  • 3 Ω voice coil draws more current from amplifiers
  • 5 in glass-fibre cone resists moisture and distortion

6.5" 3-ohm coaxial pair for car audio

The DS18 EXL-SQ65 is a 6.5 inch two-way coaxial speaker pair rated at 120 watts RMS and 400 watts peak power. Its 3 ohm impedance allows amplifiers to deliver more current than standard 4 ohm loads. The black glass fibre cone with rubber surround and 1.14 inch PEI dome tweeter in a concave recessed layout complete the driver complement.

Sustained output at 120 watts RMS

At the rated 120 watts RMS the voice coil and neodymium-strontium magnet structure dissipate heat continuously without the compression that appears during short 400 watt peaks. The 90 dB sensitivity means moderate amplifier gain produces high output, reducing thermal stress during extended listening sessions.

Check amplifier stability and mounting depth

Verify that your amplifier is rated stable into a 3 ohm stereo load before connecting these speakers. The mounting depth of 2.61 inches must clear the door panel or rear deck structure, and the 6.5 inch cut-out diameter must match the factory opening or adapter ring.

How it compares

Measured against everything we stock in Car Stereo Speakers, at today’s prices. Recalculated every night.

Price $98.99
Typical for this category: the median of 379 items is $104.99.

Specifications

Product
Brand nameDS18
Model nameEXL-SQ65
Part numberEXL-SQ6.5
Product typeCarSpeakers
Audio & video
Speaker unit sizeOther
RMS power rating120 W
Audio sensitivity90 dB
Rated impedance3 Ohm
Power
Peak wattage400 W
Compatibility
Compatible vehiclesAutomotive

Questions about this item

Will the 90 dB sensitivity and 120 W RMS rating keep heat and power draw reasonable during long drives?

At 90 dB sensitivity and 120 watts RMS per speaker, the pair converts amplifier power efficiently, limiting excess heat during extended use.

My head unit only has standard speaker-level outputs — do I need a separate amplifier for these 3-ohm coaxial speakers?

The 3-ohm voice coils draw more current than 4-ohm models, so an external amplifier rated for 3-ohm loads is recommended for clean output.

Can I keep my factory tweeters and run these EXL-SQ65 speakers alongside them without crossover issues?

The built-in 1.14-inch PEI dome tweeter covers frequencies up to 22 kHz, so adding factory tweeters may overlap; use the coaxials as a full-range pair instead.

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