8" HDS 2.2 Series Subwoofer


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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 RMS Subwoofer with 1200W peak

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.



Model HDS206 HDS2.208 HDS2.210 HDS2.212 HDS2.215
RMS Power 350 W 600 W 600 W 600 W 600 W
Peak Power 1000 W 1200 W 1200 W 1200 W 1200 W
Magnet Weight 60 Oz 100 Oz 100 Oz 100 Oz 100 Oz
Coil Diameter 2" 2.5" 2.5" 2.5" 2.5"
Coil Length 28 mm 36 mm 40 mm 40 mm 40 mm
Woofer Size 6.5" 8" 10" 12" 15"
F(s) 45.39 Hz 44.41 Hz 33.65 30.95 26.92
Impedance D2 / D4 D2 / D4 D2 / D4 D2 / D4 D2 / D4
Z(max) 33.81 38.77 Ω 65.65 59.14 Ω 56.79
Q(ms) 3.553 4.465 5.461 5.078 6.363
Q(es) 0.5515 0.5791 0.3991 0.423 0.608
Q(ts) 0.4774 0.5126 0.3719 0.3905 0.5551
V(as) 3.264 L 5.319 L 17.43 L 45.57 L 100 L
L(e) 1.498 mH 5.394 mH 5.745 6.079 mH 6.473
n(0) 0.05% 0.07673 % 0.1586 0.3046 % 0.3058
M(ms) 93.7 143.8 grams 201.7 209.2 grams 333.1
C(ms) 0.131 0.089 mm/N 0.111 0.126 mm/N 0.105
Sensitivity 1W/1m 79.32 80.95 84.1 86.94 86.95
BL 14.84 17.56 21.86 20.91 21.42
Xmax 9 13 14 14 14
Sd 5.25" 6.37" 8.125" 10" 12.75"
Displacement .04ft³ .06^ft³ .06^ft³ .07^ft³ .11^ft³
Mounting Depth 4.125" 5.5" 6.75" 6.75" 7.44"
Circle Cutout 6.0625 7.5" 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

SoundQubed warrants all products to be free from defects in materials and workmanship for normal use and service for a period of time not to exceed 12 months for subwoofers, components, earbuds and coaxial and 12 months for amplifiers from the original date of retail purchase. Parts returned must be determined by SoundQubed to be defective prior to any warranty credit or replacement is issued. SoundQubed’s obligation under warranty shall be limited to repairing or replacing, at its discretion, any part proven defective. The customer must prepay transportation charges. Final determination of the suitability of the products for the use contemplated by the buyer is the sole responsibility of the buyer. Warranties are non transferable. Warranty Exclusions Burnt or open coils Customer abuse or competition use and power in excess of rating Amplifiers used in competition or run below rated ohm loads or voltage Improper wiring, including size/gauge, paths, termination method, and series/parallel configuration SoundQubed shall not be liable for any special, direct, indirect, incidental or consequential damages that might be claimed as a result of the failure of any part, including claims for delay, loss of profits, or labor SoundQubed shall not be liable for any damages or injuries to persons or property resulting from improper installation or misuse of any part subject to this warranty THERE ARE NO OTHER WARRANTIES EXPRESSED OR IMPLIED EXTENDING BEYOND THOSE SET FORTH ABOVE