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05 Tacoma
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246 Posts
Discussion Starter #1
Here's my problem, seems like the amp that I bought isn't powerful enough to power my 2 12" RF subs, but seems to work pretty good with one sub, its plenty power for me with one sub. Here's the info of the amp below and and below that, will be the info on the subs. How would I be able to power my one sub as much as possible with the amp, how would I connect to the speaker the amplifer terminals? Is this even possible? Thanks, I would really appreciate it!

Kenwood KAC-749S Amp
- 4, 3, or 2 Channels of Amplification

- Ground Isolation Circuit

- Power MOSFET Switching Power Supply

- Stereo, Left + Right, Mono, or Tri-Mode Operation

- Bridged Power Output at 14.4V (1kHz, 0.8% THD): 120 Watts x 2

- Maximum Output Power (Bridged): 450 Watts

- Power Output at 2 Ohms, at 14.4V (1kHz, 0.8% THD): 60 Watts x 4

- Power Output at 4 Ohms, at 14.4V (20Hz-20kHz, 0.08% THD): 40 Watts x 4

- Input Selector: AB/A (Independent)

- Quiet Turn-On

- RCA Audio Inputs: Gold-Plated

- Speaker Connectors: Gold-Plated, Screw-Type

- Speaker Level Input Terminals

- Speaker Relay Protection

- 2-Ohm Stable

- Black Powder-Coated Top Cover: with Sandblast Finish

- Copper EE-Core Power Transformer

- Noise Supression Filter: Large Toroidal

- Power Indicator

- Power Input Terminals: Gold-Plated, Large Screw-Type

- Secondary Capacitors: 2

Rockford Fosgate RFP4412 Subwoofer Specs:
Brand Rockford Fosgate
Enclosure Non-Enclosed
Estimated Price $50 to $100
Function Subwoofer
Manufacturer Part Number rfp4412
Nominal Power Handling 200 - 250 W • 150 - 200 W
Surround Material Foam
Type Component
UPC 080687306169 • 780687306137
Woofer Material Poly / Plastic
Key Features
Function Subwoofer
Nominal Power Handling 200 Watt
Size 12"
Miscellaneous
MPN rfp4412
Product ID 20607229
Mounting
Top Mounting Depth 5.75 In.
Power
Power Handling 400W (Peak), 200W (RMS)
Technical Features
Frequency Respond 28 Hz - 400 Hz
Impedance 4 ohm
Peak Power Handling 400 Watt
Sensitivity 88 dB
 

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Got SQ?
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780 Posts
Buy a bigger amp
 

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Got SQ?
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780 Posts
Its a four channel amp, it will only do 120 watts bridged x 2
 

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Registered
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392 Posts
oops thanks for the correction eddiem67 it's in the first line. Kinda skimed through it. Yeah buy a bigger amp. You cant get more with nothing more there.
 
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