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Diamond Audio D162.5

6-3/4" component speaker system

1 Review

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Our take on the Diamond Audio D162.5

Listening to music on factory speakers is about as exciting as math homework. Diamond Audio designed D1 speakers to bring out the best in your favorite tunes — you'll hear lots of musical detail that makes for a very entertaining ride, even if it's just across town.

Listening to music on factory speakers is about as exciting as math homework. Diamond Audio designed D1 speakers to bring out the best in your favorite tunes — you'll hear lots of musical detail that makes for a very entertaining ride, even if it's just across town.

Built for accuracy
This D162.5i 6-3/4" component speaker system features copolymer woofer cones that are injection-molded for consistent strength across the cone area. A resilient rubber surround secures each light, responsive woofer for precise cone movement, so you'll hear plenty of punch from the guitar and drums. The brushed titanium finish on the woofer cones give this component system a glossy, high-end look.

Clear, articulate aluminum tweeters
Instead of plastic film tweeters, Diamond Audio uses aluminum dome tweeters for sparkling, extended highs, so all the rich musical detail in your tunes reaches your ears. Separate crossovers use an advanced design to send the high notes to the tweeters and low notes to the woofers for the cleanest, most natural sounding vocals and instruments. The heavy-gauge stamped steel basket gives the woofers the strength and stability they need to rock hard for the lifetime of your system.

All the bang for your buck! Outstanding sound and quality.

Brad, Moore, OK

What's in the Box:

  • 2 Woofers
  • 2 Tweeters
  • 2 Crossovers
  • 2 Woofer grilles
  • 2 Woofer grille frames
  • 2 Flush-mount tweeter mounting cups
  • 2 Metal spring clips for flush-mount tweeter cups
  • 2 Surface-mount tweeter housings
  • 2 Adhesive backed woofer gaskets
  • Two M4x30mm Machine screws
  • Four 1/2" Self-tapping screws
  • Twelve 3/4" Self-tapping screws
  • 12 Speed clips
  • Putty for woofer grilles
  • 4 Crimp-on 0.110" quick slides
  • 4 Crimp-on 0.187" quick slides
  • Owner's Manual

Product Highlights:

  • system includes two 6-3/4" woofers, 2 tweeters, and 2 crossovers
  • copolymer woofer cone with rubber surround
  • 1" aluminum dome tweeter
  • external 2-way crossovers with tweeter protection
  • power range: 5-50 watts RMS (100 watts peak power)
  • frequency response: 55-20,000 Hz
  • sensitivity: 85 dB
  • top-mount depth: 2-1/2"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Diamond Audio D162.5 Reviews

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(1 Review)
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Hands-on research

Features and Specs

Speaker Size 6 3/4
Design 2-way
Tweeter Design 1" Dome
Tweeter Composition Aluminum
Woofer Composition Injection molded Polymer
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 85
Frequency Response 55 - 20k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 50
Peak Power Handling (Watts) 100
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 1/2
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 5/16

Product Research


Woofers: The Diamond Audio D162.5 component system includes woofers with injection molded polymer cones. This design results in uniform cone thickness for superior linearity and clarity.

Woofer Size: Diamond Audio refers to the D162.5 as a 6-1/2" speaker. The 5.3" cutout diameter, however, fits the industry standard for a 6-3/4" speaker. Please confirm fit using the Crutchfield Vehicle Selector before purchasing.

Magnet Cover: The woofers are shipped with rubber magnet covers installed. If needed, the covers can be removed, effectively making the magnet diameter approximately 1/4" smaller.

Tweeters: Each speaker uses a Ferro fluid cooled 1" aluminum dome tweeter with a neodymium magnet.

Mounting Options: The tweeters can be surface mounted or flush mounted using the included housings.

Tweeter Dimensions:

  Frame Diameter Cutout Diameter Mounting Height Mounting Depth
Flush Mount 2.0" 1.74" 0.40" 0.24"
Angled Surface Mount 1.7" N/A 1.1" Screw Depth


  • Tweeter Output: The crossovers offer two tweeter output level settings, selectable via an internal jumper: flat and -2 dB.
  • Barrier Strips: Each crossover's connections are screw terminals that will accommodate spade connectors up to 0.29" wide.
  • Dimensions: The crossover has the following dimensions:
    • Width: 2.6"
    • Height: 1.45"
    • Depth: 4.75"
  • Connection Note: The component system comes with no speaker wire (other than the 10" length attached to each tweeter).

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.