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Premium Quality Massive Audio 12" 500w 4 Ohm Subwoofer Eco12s4 + 2 Channel Amplifier Package Best Choice [TtsEc3Or]

$33.99 $108.99 -69%

MAX Power Handling: 500 Watts RMS Power Handling: 250 WattsNominal Impedance: 4 OhmMounting Depth: 5.59 in.Massive Audio 12" 500W 4 Ohm Subwoofer ECO12S4 + 2 Channel Amplifier Class A/B Package This listing includes : (1) 12" 500W 4 Ohm Subwoofer ECO

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  • MAX Power Handling: 500 Watts RMS Power Handling: 250 Watts
  • Nominal Impedance: 4 Ohm
  • Mounting Depth: 5.59 in.


Massive Audio 12" 500W 4 Ohm Subwoofer ECO12S4 + 2 Channel Amplifier Class A/B Package





This listing includes :



(1) 12" 500W 4 Ohm Subwoofer ECO12S4



(1) 2 Channel Class A/B Amplifier BP500.2





Big Bass at a Price that Knocks Out the Competition Its all about the balance between economics & performance with the ECO124S subwoofer series from Massive Audio. ECO rolls in at 500W Max. It is CEA 2031 compliant and has the red Massive logo centered on the PP Vacuum Dust Cap. When Bass on a Budget meets the Massive Audio ECO subwoofer, the whole world will Feel the Beat from the Street!





HIGHLIGHTS :





- Heavy Gauge Steel Basket with Industrial Texture Painting



- High Flux Y30 Strontium Ferrite Magnet



- High Impedance Aluminum Former with EISV Voice Coil



- Poly Cotton Spider with Woven Round Tinsel Leads



- Laminated Paper Cone Surrounded with Pressed Foam



- Round Shape PP Vacuum Dust Cap



- 6mm Top Plate





SPECIFICATIONS PER SUBWOOFER:



Nominal Diameter: 12.09"



Nominal Impedance: 4 Ohm



MAX Power Handling: 500 Watts



RMS Power Handling: 250 Watts



[email protected]/1m: 90 dB



1-W-SPL: 87.2 dB



2.8V SPL: 88.2 dB





MOTOR:



Voice Coil Diameter: 254 mm



Voice Coil Former Material: High Impedance Aluminum Former with EISV - Single 4 Ohm



Cone Material: Laminated Paper Cone Surrounded with Pressed Foam



Surround Material: Pressed Foam



Basket Material: Heavy Gauge Steel



Basket Color: Black



Magnet Material: High Flux Y30 Strontium Ferrite



Displacement Volume: 0.075 ft





THIELE & SMALL PARAMETERS:



Equivalent Volume: Vas - 67.2 Liters



Excursion: X-max - 7 mm



Free Air Resonance: Fs - 37.5 Hz



Mechanical Factor: Qms - 5.79



Electrical Factor: Qes - 1.04



Total Factor: Qts - 0.88



DC Resistance: Re - 3.2 Ohms



Moving Mass: Mms - 96.2 g



Compliance: Cms - 0.19 um/N



Force Factor: BL - 8.4 Tm



Voice Coil Inductance: Le - 1.15 mH



Diaphragm Area: Sd - 0.0506 sq.m





RECOMMENDED ENCLOSURES:



Sealing Internal Volume: Small 1.25 cub.ft | Large 1.25 cub.ft



Sealed Box Output Response: F3 - Small 46 Hz | Large 44 Hz



Ported Internal Volume: Small 1.5 cub.ft | Large 2.0 cub.ft



Port Round (D x L): Small 4x12 | Large 4x8



Port Area: Small 12.56 sq.in. | Large 12.56 sq.in.



Port Tunning Frequency: Fb - Small 38 | Large 39



Cabin Gain db/Hz: Small 6@40 | Large 7@41



vDIMENSIONS PER SUBWOOFER:



Overall Diameter: 12.09 in.



Front Mount Baffle Cutout: 10.87 in.



Mounting Depth: 5.59 in.



Overall Depth: 5.59 in.



Motor Diameter: 254 mm.



Unit Weight: 7.72 Lb.





-------------------------------------------------------------------------------







Features:



- Built-In OEM Line Converter



- 2 Ohm Stable Design



- Class A/B



- Mil-Spec PCB with SMD parts



- Built-in Noise Reduction Circuitry



- Full MOSFET with High-Grade Switching Devices



- Built-In Auto Sensing Turn On Function (Hi-Inputs)



- 12V Remote Output for External Devices (Hi-Level Inputs)



- 0dB ~ 12dB Bass Boost



- Next-Generation Advanced 5 Way Protection Circuitry



- World Wide Standards Compliant (RoHS, E-Mark, CTA-2006, CE)





Specifications:



Peak Output Power @ 14.4V: 250W x 2



1 Ohm RMS: n/a



2 Ohm RMS: 160W x 2



4 Ohm RMS: 80W x 2



4 Ohm Bridged: 320W x 1



Input Level: 0.2~9.0v



Freq. Response: 15Hz~30KHz



THD at 4 Ohm Load 30% Rated Power: Less Than 0.1%



S/N Ratio: More Than 90dB



Bass Boost: 0~6dB/12dB (45Hz)



Minimum Load: 2 Ohm Stereo





Dimensions: 2"H x 7.1"W x 7.9"L

What Our Customers Say

December 30, 2025

Absolutely no complaints!

I'm happy with my great product.

- Tanya O..

December 30, 2025

Absolutely no complaints!

It’s a very clever and very quality gadget.

- Julianna X..

December 30, 2025

Absolutely no complaints!

This is a very clever and very nice tool.

- Beau V..

Write a Review

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