Garage
Shop

See all parts that fit your 2001 Spectra

Rockford Fosgate Punch45 R/B

'25 to LIFE' Limited Edition 2 Channel Amplifier (Punch 45)

Rockford Fosgate
Shop all Rockford Fosgate
Product videos
highlight-star-icon

'25 to LIFE' Special Edition 2-channel car amplifier • 70 watts RMS x 1 bridged output at 4 ohm • wired remote bass boost • variable high- or low-pass filters • custom-designed TO-247 MOSFET power supply and output stage for more clean headroom

Learn more about the LS-punch45-RB

We apologize

This item has been discontinued

Product Highlights


'25 to LIFE' Special Edition 2-channel car amplifier • 70 watts RMS x 1 bridged output at 4 ohm • wired remote bass boost • variable high- or low-pass filters • custom-designed TO-247 MOSFET power supply and output stage for more clean headroom

Description


Rockford Fosgate brand icon

Authorized dealer

Item Condition - Refurbished:

A manufacturer refurbished product will function like new with all parts inspected or replaced as necessary. There may be slight cosmetic issues such as scratches or similar. See the description for additional details.

  • '25 to LIFE' Special Edition 2-channel car amplifier
  • 22.5 watts RMS x 2 at 4 ohm (35 watts x 2 at 2 ohm)
  • 70 watts RMS x 1 bridged output at 4 ohm (4-ohm stable in bridged mode)
  • variable high- or low-pass filters (40-400 Hz at 12 dB per octave)
  • wired remote bass boost (0-18 dB at 45 Hz)
  • custom-designed TO-247 MOSFET power supply and output stage for more clean headroom
  • CEA-2006 compliant
  • Tri-way capable (Tri-Way Crossover required)
  • heavy-duty power and speaker terminals
  • preamp outputs
  • fuse rating: 30A x 2
  • 8-gauge power and ground leads with 60-amp fuse recommended — wiring and hardware not included with amplifier
  • 11-11/16"W x 2-5/8"H x 11-1/4"D
  • 90 days repair only warranty

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
22.5 watts x 2 channel
RMS Power @ 2 ohms
35 watts x 2 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
70 watts x 1 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
2-Channel
Total RMS Power Output
70 watts
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
40 - 400 Hz
Low-Pass Crossover Frequency
40 - 400 Hz
Signal-to-Noise Ratio
80 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
Yes
Fuse Rating
30A x 1 
Warranty and Return Policy
Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

Punch45-RB

Weight:

13.00lbs

Internal SKU:

LS-punch45-RB

Internal Product ID:

16450

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


Rockford Fosgate Punch45 R/B thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


CS10M-T45 small

MTX Audio Thunderform CS10M-T45 (Maroon, Loaded)

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

$297.99

List price $399.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2001 Kia Spectra

1985 Chevrolet Impala

1981 Chrysler Newport

2008 Lincoln MKZ

2015 BMW 2 Series

2007 Ford Focus ZX3

2010 Kia Optima

2010 Nissan Cube

1981 Volkswagen Rabbit

2003 Dodge Intrepid

Vehicle
Store
Delete

2005 Harley Davidson FLTR Road Glide

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.