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Massive Audio 12" 500W 4 Ohm Subwoofer ECO12S4 + 2 Channel Amplifier Package

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Original price $201.24
Original price $201.24 - Original price $201.24
Original price $201.24
Current price $120.74
$120.74 - $120.74
Current price $120.74

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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!


- 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

Nominal Diameter: 12.09"
Nominal Impedance: 4 Ohm
MAX Power Handling: 500 Watts
RMS Power Handling: 250 Watts
SPL@2.83V/1m: 90 dB
1-W-SPL: 87.2 dB
2.8V SPL: 88.2 dB

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

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

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 | Large 12.56
Port Tunning Frequency: Fb - Small 38 | Large 39
Cabin Gain db/Hz: Small 6@40 | Large 7@41
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.


The BLADE BP Series Amplifiers are designed with our "Live, Loud and Play Hard" motto. All amplifiers have built-in OEM line converters with RCA inputs that can take a high-level speaker signal at up to 9 Volts directly in. By sensing the DC off set of a factory radio it can activate the ATO (Auto Turn On) feature and convert the 12V turn on into a 12V switched out.

- 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)

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

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