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Variants
These deliver clearer mids/highs and respectable bass for their size, and the supplied brackets and harnesses make installation straightforward. They’re a strong price-to-performance upgrade for many factory systems, but double-check fit and expectations for low-end output.
Buyer confidence
90%Highlights
- Vacuum Polypropylene cone
- Rubber surround
- Integrated tweeter crossover
- Grilles and mounting hardware included
Key specs
Full specs- Speaker Type
- 2-Way Coax
- Nominal Impedance (Ohms)
- 4-Ohm
- Midrange Mounting Depth
- 1.93" (49 mm)
- Tweeter Size (Nominal Diameter)
- 0.50" (12.7 mm)
- Midrange Size (Nominal Diameter)
- 5.25"
- Crossover
- Tweeter High-Pass (HP): 6dB
- Shipping Weight
- 3.53 Lbs. (1.60 kg.)
- Grille/Trim Ring Included
- Yes
Key specs
Full specs- Speaker Type
- 2-Way Coax
- Nominal Impedance (Ohms)
- 4-Ohm
- Midrange Mounting Depth
- 1.93" (49 mm)
- Tweeter Size (Nominal Diameter)
- 0.50" (12.7 mm)
Highlights
Overview- Vacuum Polypropylene cone
- Rubber surround
- Integrated tweeter crossover
Review highlights
Based on customer reviewsGood-value 5.25" car speakers with clear mids and easier installs
These deliver clearer mids/highs and respectable bass for their size, and the supplied brackets and harnesses make installation straightforward. They’re a strong price-to-performance upgrade for many factory systems, but double-check fit and expectations for low-end output.
What buyers praise
- Noticeable improvement over many factory speakers—clean mids and highs
- Surprisingly punchy bass for a 5.25" when doors are well-baffled
What to watch for
- Confirm speaker diameter and mounting fit—may require adapter plates, drilling, or fitment work
Overview
The Prime R1525X2 are 5.25" 2-way full-range car speakers from Rockford Fosgate. They combine polypropylene cones and silk dome tweeters to deliver a balanced, value-oriented audio upgrade for many factory systems.
Best for
- Replacing worn or damaged factory 5.25" speakers
- Budget-conscious upgrades to factory car audio
- Owners who want a complete pair with grilles and mounting hardware
Key points
- 5.25" 2-way full-range speaker pair (sold in pairs)
- Polypropylene cone for durable midbass performance
- Silk dome tweeter for smooth high-frequency response
- Includes grilles and mounting hardware
- Technologies: CEA-2031 measurement standard, ICC crossover
Fit and use
Sized for 5.25" speaker openings—confirm your vehicle's speaker diameter, mounting depth and cutout before purchasing. These speakers work with factory or aftermarket head units and amplifiers; verify electrical and power compatibility with your system.
What to know
Sold as a pair and shipped with grilles and mounting hardware. The CEA-2031 reference indicates standardized measurement methods used for speaker performance. Confirm fit and clearance with door panels or trim to avoid fitment issues.
Highlights
Key features
- Vacuum Polypropylene cone
- Rubber surround
- Integrated tweeter crossover
- Grilles and mounting hardware included
- Stamped steel basket
- Silk dome flush mounted tweeter
- Sold in pairs (2 each)
- 1 Year Warranty
- CEA-2031
- ICC Crossover
More info
Manufacturer details
The 5.25" Prime full-range speakers offer Rockford Fosgate sound quality at a fantastic value. Perfect for replacing factory speakers, they feature polypropylene cones and a silk dome tweeter. Includes grilles and mounting hardware so they look as good as they sound. Sold in pairs (2 each).
Additional details
The 5.25" Prime full-range speakers offer Rockford Fosgate sound quality at a fantastic value. Perfect for replacing factory speakers, they feature polypropylene cones and a silk dome tweeter. Includes grilles and mounting hardware so they look as good as they sound.
Technologies
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has
ICC Crossover
The Integrated Concealed Crossover hides the crossover inside the basket, creating a cleaner look and easier
Specs
Specifications
12
| Speaker Type | 2-Way Coax |
| Nominal Impedance (Ohms) | 4-Ohm |
| Midrange Mounting Depth | 1.93" (49 mm) |
| Tweeter Size (Nominal Diameter) | 0.50" (12.7 mm) |
| Midrange Size (Nominal Diameter) | 5.25" |
| Crossover | Tweeter High-Pass (HP): 6dB |
| Shipping Weight | 3.53 Lbs. (1.60 kg.) |
| Grille/Trim Ring Included | Yes |
| Power Handling (RMS) | 40 Watts RMS 80 Watts Max |
| Sensitivity (dB @ 1W/1M) | 88 |
| Mounting Hardware | Yes |
| Frequency Response (Hz) | 62Hz - 20kHz |
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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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