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Home Mobile Electronics Subwoofers HDS2 Series Subwoofer

HDS2 Series Subwoofer

(4 customer reviews)


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  • Power Handling 600W RMS, 1200W Peak (Burp Only)
  • Available in Dual 2- and Dual 4-Ohm configuration.
  • 2.5″ diameter four-layer copper coil (2″ for the HDS206).
  • Cast frames instead of stamped frames.
  • Increased temperature handling, from 300° to 360°
  • Vented back-plate for optimal cooling and less turbulence in the coil gap.
  • Stronger motors with bigger magnets and top plates.
  • Longer winding length for greater power handling.
  • Wider and taller surround for increased excursion.
  • Conical back plate to allow more voice coil travel.
  • 10-gauge direct leads.
  • Black electroplated top and bottom plates.
  • Non-pressed, fiber-added cone for maximum rigidity
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The Heavy Duty Street 2 Series 600W Subwoofer improves on its predecessor in terms of build, sound quality, heat dispersion, and frequency response. The 8, 10, 12, or 15-inch models are available with dual 2 or 4-ohm voice coil.

Note: Because of its smaller form factor, the 6.5-inch version specifications vary from the rest of the series. Power handling of the 6.5-inch HDS206 is 350W RMS and 1000 peak. See the specifications tab for full details.

The HDS2 series is an affordable option for your daily-driver car audio system build. First, choose a sealed, ported, or band-pass enclosure. Once you decide on an enclosure option, pair your sub(s) with the appropriate S Series monoblock amp. From there, enjoy easy wiring thanks to 10 AWG push terminals (14 AWG direct leads in the 6.5 and 8-inch models). Soon you’ll be on your way to a dramatically enhanced listening experience.

As with any SoundQubed subwoofer, proper break-in is key to enjoying long life from your HDS2.2. Make sure you follow the steps to loosen up the suspension before pushing these subs to the limit.

The HDS2 600W Subwoofer

The oversized double magnet in the HDS2 is provides consistently high output levels at 600 Watts RMS. The vented, electroplated back plate lets heat flow away from the coil. As a result, you’ll be less likely to burn your subwoofer’s voice coils.

The HDS2 series uses a 2.5-inch diameter, four-layer, copper dual voice coil with a conical back plate for longer travel. High-temperature adhesives and high quality coil wire guarantee reliable long-term performance and a healthy level of bass!

The HDS2 series feature cast aluminum frames. This upgrade provides better heat sinking and increased excursion over stamped-steel baskets. A softer three-piece spider system achieves enhanced performance and lower tuning.

An Extended Range of Motion (EROM) surround profile keeps your cone diameter as large as possible while allowing for long, controlled excursion. The EROM profile gives you more cone area, greater stiffness, and lower mass for more accurate coil signal response. The HDS2 has a non-pressed, fiber added cone for maximum rigidity and long life.

RMS Power350 W600 W600 W600 W600 W
Peak Power1000 W1200 W1200 W1200 W1200 W
Magnet Weight60 Oz100 Oz100 Oz100 Oz100 Oz
Coil Diameter2"2.5"2.5"2.5"2.5"
Coil Length28 mm36 mm40 mm40 mm40 mm
Woofer Size6.5"8"10"12"15"
F(s)45.39 Hz44.41 Hz33.6530.9526.92
ImpedanceD2 / D4D2 / D4D2 / D4D2 / D4D2 / D4
Z(max)33.8138.77 Ω65.6559.14 Ω56.79
V(as)3.264 L5.319 L17.43 L45.57 L100 L
L(e)1.498 mH5.394 mH5.7456.079 mH6.473
n(0)0.05%0.07673 %0.15860.3046 %0.3058
M(ms)93.7143.8 grams201.7209.2 grams333.1
C(ms)0.1310.089 mm/N0.1110.126 mm/N0.105
Sensitivity 1W/1m79.3280.9584.186.9486.95
Mounting Depth4.125"5.5"6.75"6.75"7.44"
Circle Cutout6.06257.5"9.31"11.25"13.875"
Sealed Enclosure (Cu Ft):.25-.5 FT³.35-.75 Ft³.5-1.0 FT³
.75-1.5 FT³
1.75-2.75 FT³
Ported Enclosure (Cu Ft):
.25-75 Ft³.75-1.25 FT³.75-1.25 FT³
1-1.75 FT³
3-6 FT³

Additional information

Weight N/A
Dimensions N/A

6.5 Inch, 8 Inch, 10 Inch, 12 Inch, 15 Inch


Dual 2 Ohm, Dual 4 Ohm

4 reviews for HDS2 Series Subwoofer

  1. Anthony (verified owner)

    I ordered the 12 inch and built a 2.3 cubic foot box tuned to about 33hz and wow! Great frequency response. Sub is powered by a rockford fosgate power 360a2 bridged at 4 ohm at about 460 watts. SQ for the win. I plan to get a second 12 inch and a q2200 amp in the future. I absolutely love SQ. Amazing products for the price.👍

  2. Dylan Anderson (verified owner)

    I also ordered the 12″ version of this sub and it’s insane. It’s way more improved than the 1st Revision of the HDS212 I’ve been using for the past 5 years. Built a new box for this sub thats 2.2 cubes and tuned to 36hz and it sounds great. Have it running on a Soundqubed 850.1 @ 1ohm.

  3. CodyV

    I had 2, 10″ powered by a Hiphonics amp in a custom box ported and tuned to 32Hz. Let me tell you, you will not be disappointed. The quality on these units are crazy. They will hit dirty lows and punchy highs. They will run through the harsh winter and the hot summer (Maryland). These subs are the ones I recommend to anyone trying to start their audio obsession out right. By far the best bang for your buck hands down. I drove for 2 years without my bass monsters and I recently decided to buy a HDS3.1 12 and a S1-1250 to bring back the joy these brought me. Just break em in easy and enjoy. 5 Stars.

  4. William (verified owner)

    I’ve owned many subwoofers over my years. I typically buy bargain or budget subs. They generally perform fine, there’s been a few that were poor quality or just sounded muddy.
    I decided to “splurge” on the Soundqubed hds2.210d2. It runs at 4 ohms in a 1.2cf box tuned to 35hz on 200rms.
    Let me just say I’m thoroughly impressed how this 10 responds, how deep it plays and air it moves on 200w. Definitely happy with the purchase.

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