Rockford Fosgate P850.4850 Watt 4-Channel Amplifier
With four channels of serious PUNCH power, the P850.4 is a great amplifier for high-powered coaxial or component speakers
Highlights
- 1 Year Warranty
- Top Mounted LED Indicators
- Infrasonic filter
- Stealth Connections
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 850 Watts RMS
- Rated Power (RMS Continuous Power)
- 100 Watts x 4 @ 4-Ohm 210 Watts x 4 @ 2-Ohm 425 Watts x 2 @ 4-Ohm Bridged
- Bridgeable
- Yes
- Frequency Response
- 20Hz to 20kHz +/- 0.5 dB
- Circuit Topology Class
- Class A/B
- Signal Input
- Low level: 2 RCA pair Input switch: 2/4 ch.
- Signal Output
- Low level: 1 RCA pair
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 850 Watts RMS
- Rated Power (RMS Continuous Power)
- 100 Watts x 4 @ 4-Ohm 210 Watts x 4 @ 2-Ohm 425 Watts x 2 @ 4-Ohm Bridged
- Bridgeable
- Yes
Highlights
Overview- 1 Year Warranty
- Top Mounted LED Indicators
- Infrasonic filter
Overview
With four channels of serious PUNCH power, the P850.4 is a great amplifier for high-powered coaxial or component speakers
Highlights
Key features
- 1 Year Warranty
- Top Mounted LED Indicators
- Infrasonic filter
- Stealth Connections
- Aux Ouputs
- Connector Cover
- Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
- Thermal Sensing
- 4 Gauge power/ground connections with built-in ATC fusing
- MEHSA
- TRANS•ana
- Engineered In The USA
More info
With four channels of serious PUNCH power, the P850.4 is a great amplifier for high-powered coaxial or component speakers. Allowing you to bridge the rear channels and add a 2-ohm DVC subwoofer, the P850.4 may be the only amplifier you'll ever need! For best performance a capacitor is recommended.
Technologies
MEHSA
MEHSA (Maximum Efficiency Heat Sink Application) is a proprietary process that yields up to .ve times better heat
TRANS•ana
An award winning studio quality circuit borrowed from the pro audio company Hafler. TRANS-ana is a sound quality
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
TO-247 MOSFETs
The MOSFET transistor is the best type of device to use when building a high quality mobile amplifier. The Power
Punch Bass EQ
In the early 70's, Jim Fosgate studied the acoustical properties of automobiles. Utilizing a real-time analyzer
NOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
Specs
Specifications
19
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 850 Watts RMS |
| Rated Power (RMS Continuous Power) | 100 Watts x 4 @ 4-Ohm 210 Watts x 4 @ 2-Ohm 425 Watts x 2 @ 4-Ohm Bridged |
| Bridgeable | Yes |
| Frequency Response | 20Hz to 20kHz +/- 0.5 dB |
| Circuit Topology Class | Class A/B |
| Signal Input | Low level: 2 RCA pair Input switch: 2/4 ch. |
| Signal Output | Low level: 1 RCA pair |
| Tone Controls | Bass: 0dB to +18dB @ 45Hz |
| Crossover Controls | High-Pass (HP): 40-400Hz 12dB/octave Butterworth Low-Pass (LP): 40-400Hz 12dB/octave Butterworth |
| Remote Controls | Punch Bass EQ (included with cable) |
| Visual Indicators | Power On Signal Level Thermal Status Speaker Protection |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Block |
| Speaker Wire Gauge | 8 AWG to 18 AWG |
| Speaker Output Connector | Screw terminal barrier strip |
| Cooling | Convection |
| Dimensions (H x W x D) | 2.1 x 11 x 17.7 (in) 5.3 x 27.9 x 44.9 (cm) |
| Shipping Weight | 17.5 Lbs. (7.9 Kg.) |
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Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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