B2 Audio RAGE 1200.4 V2 4-Channel Amplifier + 2 RAGE8 D4 Subwoofers COMBO-20

• Complete Power Combo – Includes B2 Audio RAGE 1200.4 V2 4-Channel Amplifier + 2 RAGE8-D4 Subwoofers for a full system upgrade.
• High Output Amplifier – Delivers 1200W RMS with Class D efficiency, stable at 2 ohm, engineered for clean, powerful sound.
• Hard-Hitting Bass – Dual 8" RAGE subwoofers handle up to 1000W max each with 2" voice coils and 175 oz magnets for deep, impactful low end.
• Reliable Build – Amplifier features advanced protection circuits; subs feature heavy-duty construction and optimized T/S parameters for daily use.
• System Upgrade Ready – Perfect for car audio enthusiasts seeking professional-level clarity, bass authority, and street-dominating performance.

B2 Audio RAGE 1200.4 V2 4-Channel Amplifier + 2 RAGE8 D4 Subwoofers COMBO-20

This Listing Includes:

• (1) B2 Audio RAGE Series B2-RAGE-1200.4-V2 Amplifier


• (2) B2 Audio RAGE8-D4 8" Dual 4-Ohm Subwoofers

Unleash powerful performance with the B2 Audio RAGE Series Combo-20. This kit pairs the RAGE 1200.4 V2 full-range amplifier with two RAGE8-D4 8" subwoofers to deliver a hard-hitting upgrade for your vehicle. The RAGE1200.4 V2 provides up to 1200 watts RMS across 4 channels, engineered with Class D efficiency for clean, responsive output. Paired with the RAGE8-D4 subwoofers—each built with a 2" voice coil, 175 oz magnet, and 1000W max power handling—this combo is tuned for impactful, low-end authority and reliable daily performance. Whether you want to dominate the streets or upgrade your system with pro-level gear, Combo-20 delivers bass you can feel and clarity you can trust.

Subwoofer Specifications (RAGE8-D4):

• RMS Power Handling: 500W


• Max Power Handling: 1000W


• Nominal Impedance: Dual 4 Ohm


• Voice Coil Diameter: 2"


• Frequency Response: 10 Hz ~ 500 Hz


• Sensitivity: 82.4 dB


• Magnet Weight: 175 Oz


• Displacement: 2.5 L / 0.088 cu.ft


• 12 AWG Push Terminals

Thiele Small Parameters

• FS: 78 Hz


• Vas: 14.74


• RE: 3.3 Ohm


• Qms: 12.4


• Qes; 1.15


• Qts: 1.05


• Cms: 244 um/N


• BL: 4.9


• MMS: 16.8 G


• Xmax (one way): 4 mm


• SD: 206 cm^2


• Efficiency: 0.6%


• Le(1Khz): 0.59


• EBP: 68.3

Dimensions:

• Overall Diameter: 8"


• Baffle Cutout Diameter: 7.01"


• Mounting Depth: 2.67"


• Total Depth: 2.87"

Amplifier Specifications (B2-RAGE-1200.4-V2):

• RMS Power @ 4 ohm: 4 x 200 W


• RMS Power @ 2 ohm: 4 x 300 W


• RMS Power @ 1 ohm: 2 x 1200 W (Bridged @ 4-Ohm)


• Circuit Configuration: HI-EF CLASS D


• Frequency Response: 20 Hz - 20 KHz


• Signal to Noise Ratio: > 90 dB


• Input Sensitivity: 6 V - 0.2 V


• Crossover Circuit: 12 dB / OCT


• Low Pass Crossover: 40 Hz - 4 KHz


• High Pass Crossover: 40 Hz - 4 KHz


• Damping Factor: > 200


• Power Terminal Gauge: 0 AWG


• Fuse Rating: 100 A

Measurements:

• Length: 10.9"


• Width: 6.69"


• Height: 2.26"