About the Soundstream Reserve R5.124
Bring big bump to your trunk
Bring big bump to your trunk
The Soundstream Reserve R5.124 subwoofer will bring plenty of power and punch to your car audio system. This 12" sub features an oversized spruce pulp cone, a beefy 317-ounce double-stack magnet, and a durable rubber surround, working together to handle up to 1,000 watts RMS. All this cool tech is mounted in a sturdy stgeel frame that's designed for to give you accurate low-end thump.
The R5.124 is equally at home in a ported or sealed enclosure, so you can choose the sound you want for your system. You can wire the two 4-ohm voice coils for either 2- or 8-ohm impedance, giving you extra versatility as your system changes. Add one or two of these subs and a quality amplifier to your ride, and you'll feel the beat like never before.
Product highlights:
- 12" subwoofer with dual 4-ohm voice coils
- spruce pulp cone
- oversized cone means more surface area
- rugged rubber surround resists heat and moisture
- 317-ounce magnet
- dual poly-cotton suspension
- nickel-plated terminals accept up to 12-gauge speaker wire
- power handling: 1000 watts RMS (2000 peak)
- sensitivity: 85.98 dB
- mounting depth: 7"
- optimum sealed enclosure volume: 1 cu. ft.
- optimum ported enclosure volume: 2 cu. ft.
- warranty: 3 years
- Our 60-day money-back guarantee
- MFR # R5.124
What's in the box:
Soundstream Reserve R5.124 owner's manual
- One 12" Dual 4-ohm voice coil subwoofer
- 1 Rubber gasket (installed)
- Owner's manual
- Warranty information
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More details on the Soundstream Reserve R5.124

Features & specs
Size | 12 -inch | |
Impedance (Ohms) | 2, 8 | |
Cone Material | Spruce Pulp | |
Surround Material | Rubber | |
Ideal Sealed Box Volume (cubic feet) | 1 | |
Ideal Ported Box Volume (cubic feet) | 2 | |
Port diameter (inches) | 4 | |
Port length (inches) | 14.5 | |
Free-Air | Yes | |
Dual Voice Coil | Yes | |
Sensitivity |
85.98 dB at 1 watt | |
Frequency Response | 20 - 400 Hz | |
Max RMS Power Handling | 1000 | |
Peak Power Handling (Watts) | 2000 | |
Top Mount Depth (inches) | 6 9/16 | |
Bottom Mount Depth (inches) | N/A | |
Cutout Diameter or Length (inches) | 11 1/16 | |
Vas (liters) | 84.52 | |
Fs (Hz) | 25.79 | |
Qts | 0.5 | |
Xmax (millimeters) | 15 | |
Parts Warranty | 3 Years | |
Labor Warranty | 3 Years |
Product Research
Features
Dual 4Ω Voice Coils: The dual 4Ω voice coils offer wiring flexibility; when wired in parallel the woofer presents a 2Ω load, when wired in series the woofer presents an 8Ω 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 12 gauge.
Sealed Box Volume: The recommended sealed box volume range is from 0.75 ft³ to 1.25 ft³, 1.0 ft³ being the ideal size.
Vented Box Volume: The recommended vented (ported) box volume range is from 1.75 ft³ to 2.25 ft³. The ideal size is 2.0 ft³ with a single 4" diameter x 14½" long port, resulting in a tuning frequency of 31.1 Hz.
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