About the Memphis Audio BRX840
Memphis Audio designed their Bass Reference Series subwoofers with one thing in mind: giving you the deep, rich, soulful bass you've been looking for. These durable subs combine proven technology and materials with rugged design to create subwoofers that will handle high power and keep on kicking.
The BRX840 8" subwoofer sports a reinforced high-density paper cone that lays down warm, "old school" bass that'll have your vehicle rocking. The double-stitched surround helps this sub handle up to 250 watts RMS, so you can feed it plenty of power. Just add an amp and an enclosure, and you've got the makings of a real bass party.
To drive this single subwoofer, we recommend a mono amplifier rated between 185 and 375 watts at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.
- 8" 4-ohm component subwoofer
- coated high-density paper cone
- double-stitched foam surround
- power handling: 250 watts RMS (500 watts peak)
- sensitivity: 85 dB
- top-mount depth: 4-1/4"
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # BRX840
What's in the box:
- One 8" Single voice coil woofer
- Removable rubber mounting ring (installed)
- Warranty information
More details on the Memphis Audio BRX840
Features & specs
|Cone Material||Reinforced Paper|
|Ideal Sealed Box Volume (cubic feet)||0.6|
|Ideal Ported Box Volume (cubic feet)||1|
|Port diameter (inches)||N/A|
|Port length (inches)||N/A|
|Dual Voice Coil||No|
85 dB at 1 watt |
|Max RMS Power Handling||250|
|Peak Power Handling (Watts)||500|
|Top Mount Depth (inches)||4 1/8|
|Bottom Mount Depth (inches)||N/A|
|Cutout Diameter or Length (inches)||7|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Woofer Terminals: The woofer has spring post wire terminals. They will accommodate bare speaker wire up to 10 gauge.
Sealed Enclosures: Sealed enclosures provide the most control over a woofer and provide accurate sonic reproduction, making them suitable to all types of music. Memphis Audio recommends a sealed enclosure of 0.6 ft.
Vented Enclosures: Vented (or ported) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power. Memphis Audio recommends a ported enclosure of 1.0 ft³ with a 9" x 1" x 12-1/2" slot port, yielding a tuning frequency of 40 Hz.
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