About the Soundstream Reserve RSW.152
Bigger, better, badder bass
Bigger, better, badder bass
The Soundstream Reserve RSW.152 subwoofer will add tons of thunder to your car's audio system. This thumping 15” sub features an oversized spruce pulp cone, a big, beefy magnet, and a durable rubber surround. All this nifty tech is mounted in a sturdy cast-aluminum frame that's designed for serious performance and outstanding heat tolerance.
The RSW.152 is equally at home in a ported or sealed enclosure. You can wire the two 2-ohm voice coils for either 1- or 4-ohm impedance, giving you extra versatility as your system changes. Add one or two of these serious subs and a quality amplifier in your vehicle, and you'll get all the bottom-end power you've been dreaming about.
Product highlights:
- 15" subwoofer with dual 2-ohm voice coils
- spruce pulp cone
- oversized cone means more surface area
- rugged rubber surround resists heat and moisture
- dual poly-cotton suspension
- rugged aluminum frame
- power handling: 1300 watts RMS (2600 peak)
- sensitivity: 83.5 dB
- 3' 4-layer voice coil
- mounting depth: 8.27"
- optimum sealed enclosure volume: 2.0 cu. ft.
- optimum ported enclosure volume: 4.0 cu. ft.
- includes gasket/trim ring with concealed mounting holes
- warranty: 3 years
- Our 60-day money-back guarantee
- MFR # RSW-152
What's in the box:
Soundstream Reserve RSW.152 owner's manual
- One 15" Dual 2-ohm voice coil subwoofer
- 1 Rubber gasket (installed)
- Specification sheet
- Warranty information
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More details on the Soundstream Reserve RSW.152

Features & specs
Size | 15 -inch | |
Impedance (Ohms) | 1, 4 | |
Cone Material | Spruce Pulp | |
Surround Material | Poly-Ether Foam | |
Ideal Sealed Box Volume (cubic feet) | 2 | |
Ideal Ported Box Volume (cubic feet) | 4 | |
Port diameter (inches) | 4 | |
Port length (inches) | 15.75 | |
Free-Air | No | |
Dual Voice Coil | Yes | |
Sensitivity |
83.5 dB at 1 watt | |
Frequency Response | --- | |
Max RMS Power Handling | 1300 | |
Peak Power Handling (Watts) | 2600 | |
Top Mount Depth (inches) | 8 5/16 | |
Bottom Mount Depth (inches) | N/A | |
Cutout Diameter or Length (inches) | 13 15/16 | |
Vas (liters) | 87.23 | |
Fs (Hz) | 26 | |
Qts | 0.9 | |
Xmax (millimeters) | 16.5 | |
Parts Warranty | 3 Years | |
Labor Warranty | 3 Years |
Product Research
Features
Dual 2Ω Voice Coils: The dual 2Ω voice coils offer wiring flexibility; when wired in parallel the woofer presents a 1Ω load, when wired in series the woofer presents a 4Ω load.
Spring Posts: The woofer has two pair of wire terminals, on opposite sides of the frame; they are spring posts for easy connection of bare wire up to 10 gauge.
Sealed Box Volume: The recommended sealed box volume range is from 1.5 ft³ to 2.5 ft³, 2.0 ft³ being the ideal size.
Vented Box Volume: The recommended vented (ported) box volume range is from 3.0 ft³ to 5.0 ft³. The ideal size is 4.0 ft³ with two 4" diameter x 15¾" long ports, resulting in a tuning frequency of 28.5 Hz.
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