- (2) Polk Audio MM842SVC 8” 1800 Watt Single 4-Ohm Car/Marine Boat Audio Subwoofers
- (1) Rockville dB12 2000 Watt Peak/500 Watt Dyno-Certified RMS Mono 2 Ohm Amplifier Car Amp
Authorized Polk Dealer!
Description of MM842SVC:
The Premium Upgrade
Tuned for the total sonic accuracy you get in a studio subwoofer, the MM1 Series reconfigures this kind of high-quality deep bass impact for an on-the-go listening experience that totally outperforms your OEM factory setup.
Advanced High-Performance Bass
Every element of the MM1 Series is meticulously engineered for thunderous bass, enhanced sonic detail and ultra-durable construction—Dynamic Balance technology, a high excursion bump stack motor structure, glass fiber formers, multilayered and oversized voice coils, high-temp Conex spiders, a vented pole and basket structure, and integrated fuses.
Ultra-Marine Certified
Featuring an IP56 rating that includes a non-corrosive fiberglass reinforced ABS basket, a water-proof surround, weep holes for proper drainage and a polypropylene cone, you get extra, long-lasting protection—that’s all salt-fog and UV tested.
Dynamic Balance Technology
Patented process that guides material selection through rigorous testing that identifies and cancels out unwanted resonant frequencies.
Included:
- One 8" 4 ohm subwoofer
- Stainless steel mounting hardware
Features:
- Polk Audio MM842SVC 8” 900 Watt Single 4-Ohm Car/Marine Boat Audio Subwoofer Sub
- Driver Compliment: 8" (203.2 mm)
- Cutout Dimensions: 7.2" (185mm)
- Mounting Height: 0.55" (14.06mm)
- Mounting Depth (Top): 4" (105mm)
- Mounting Depth (Bottom): 4.68" (119mm)
- Peak Power Handling: 900 Watts
- Continuous Power Handling: 300 Watts
- Nominal Impedance: 4 Ohms
- Frequency Response: 30Hz-200kHz
- Sensitivity: 85 dB
- Magnet Weight: 40.5 oz
- Magnet Material: Ceramic
- Magnet Size: 120mm x 50mm x 25mm
- VC Diameter: 1.5"
- Enclosure Volumes:
- Minimum Sealed: 0.5 cu. ft.
- Maximum Sealed: 1.2 cu. ft.
- Minimum Vented: 0.66 cu. ft.
- Maximum Vented: 1.2 cu. ft.
Video of dB12:
Description:
The dB12 is a mono amplifier with 2,000 watts peak output, and 500 watts Dyno Certified power. Here at Rockville we offer the best value in car audio. We therefore want to make it easy for you to compare our products to any brands on the market. The peak rating can be used to compare with brands who use peak ratings such as Boss and Power Acoustik while the Dyno Certified RMS rating can be used to compare with top brands such as Kicker, Rockford, Alpine, etc.
One of the tricks to determine the real power of a car amplifier is to multiply the fuse rating by 10 to determine the true RMS power. This formula almost always works within 20 %. The dB12 features a Maxi fuse with a rating of 60 Amps. Although we rate these conservatively at 500 watts Dyno Certified @ 2 ohms, this amplifier puts out more power than this!
This amp has a fully adjustable 12dB/Octave crossover with differential circuitry. Other features include a subsonic filter, a fully adjustable bass equalizer, mute and delay soft start technology, a phase control switch, and a dashboard subwoofer control for added convenience. The dB12 is protected by a full IC controlled circuit and has professional peak limiter circuitry guaranteeing distortion free music playback at all levels.
The RCA input accepts both balanced and un-balanced inputs. If there is potential inference in the car, the balanced input signal is less susceptible to noise.
The dB amps by Rockville use the top parts and components recommended by Rockville’s very own engineer. These amps are the best sounding out of any series we have ever created. They perform more efficiently resulting in even dB of sound. We created them to be 2 ohm stable just like the world’s most famous amps by Rockford Fosgate, Kicker, etc. If you compare our amp to the most famous amps you will find our amp can compete and, in my opinion, surpass the performance of anything in its class.
Each and every amplifier we manufacture is tested twice. Once at the semi-finished PCB stage of production, and then another test is done at the final assembly. We also run age tests on them. After this is all done, we hire a 3rd party independent company unaffiliated with our factory or with us to go to the factory and inspect 20% of all the production items. We test the power, the controls, and over 20 other tests. We guarantee these amps will satisfy you. We are so confident in your satisfaction of this amplifier that we will offer you a 90 day money back guarantee. If this amp does not perform as well as you expected we will send you a pre-paid shipping label and give you all of your money back. This means if for any reason you want to return the amplifier back for a full refund within 90 days, you can! (Amp must be complete along with the box).
Includes:
- Amplifier
- Bass Remote
- Birth sheet with tested power
- Owner’s manual
- Mounting Screws
- Warranty
Features:
- Rockville dB12 2000 Watt Peak/500 Watt Dyno-Certified RMS Mono 2 Ohm Amplifier Car Amp
- Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc)
- 2 Ohm: 500 Watts x 1 Channel <1% THD+N
- 4 Ohm: 300 Watts x 1 Channel <1% THD+N - Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc)
- 2 Ohm: 2000 Watts x 1 Channel
- 4 Ohm: 1200 Watts x 1 Channel - High-Speed MOSFET Power Supply
- Designed, Engineered, Developed, and Quality Controlled in the USA
- Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
- Low Pass Filter: 50Hz - 250Hz
- Subsonic Filter: 15Hz - 55Hz
- Phase Control Switch 0-180 degrees
- Full IC-Controlled Protection Circuitry
- Remote Dashboard Subwoofer Control
- Fully Adjustable 12dB Bass Equalizer
- Mute and Delay Soft Start System
- RCA Preamp Line Output
- RCA Line Input (This is to connect the amplifier to your receiver)
- Molded power terminals have the highest current draw in the industry and they also look way nicer than other terminal styles
- 8 Volt Preamp Circuitry
- Power and Protection LED Indicator
- LED Illuminated Logo
- Minimum THD at Rated Power: <0.1%
- S / N Ratio: >90dB
- Under Voltage Protection at 10V
- Over Voltage Protection at 16V
- Frequency Response: 15Hz - 250Hz
- Damping Factor: >150 @ 100Hz
- 60 Amp Maxi Fuse
- Dimensions: (W x H x L) 9" x 2.4" x 13.1"
- UPC:
- 613815916482
