Variants
Crisp, high-output 2-way speakers that deliver clear highs and respectable mid-bass for the price. They take power well and improve noticeably with an amp, but plan for fitment checks on many factory locations.
Buyer confidence
85%Highlights
- 1 Year Warranty
- Linear high excursion matched motor magnetics and suspension design
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Santoprene rubber surround
Key specs
Full specs- Nominal Impedance (Ohms)
- 4-Ohm
- Midrange Mounting Depth
- 2.52" (64mm)
- Grille/Trim Ring Included
- Yes
- Sensitivity (dB @ 1W/1M)
- 88
- Speaker Type
- 2-Way Coax
- Power Handling (RMS)
- 75 Watts RMS 150 Watts Max
- Tweeter Mounting Depth
- n/a
- Speaker Type
- 2-Way Coax
Key specs
Full specs- Nominal Impedance (Ohms)
- 4-Ohm
- Midrange Mounting Depth
- 2.52" (64mm)
- Grille/Trim Ring Included
- Yes
- Sensitivity (dB @ 1W/1M)
- 88
Highlights
Overview- 1 Year Warranty
- Linear high excursion matched motor magnetics and suspension design
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
Review highlights
Based on customer reviewsRockford Fosgate T1650 — clear, loud 6.5" full-range with punchy mid-bass
Crisp, high-output 2-way speakers that deliver clear highs and respectable mid-bass for the price. They take power well and improve noticeably with an amp, but plan for fitment checks on many factory locations.
What buyers praise
- Crisp, clear sound and pronounced highs
- High output—loud even on a factory head unit
What to watch for
- May require trimming or cutting factory door panels/plastic rings to fit
Overview
The Power T1650 is a T1-series 6.5" 2-way full-range coaxial speaker pair from Rockford Fosgate. It combines a true 6.5" midrange with a coaxially mounted bridge tweeter and is optimized for a wide variety of U.S., European, and import vehicles.
Best for
- Owners replacing factory 6.5" speakers in compatible vehicles
- Buyers seeking a Euro-fit 6.5" coaxial option sold in pairs
- Applications that accept a full-range 2-way speaker rather than separate component speakers
Key points
- True 6.5" midrange with coaxial bridge-mounted tweeter
- T1 full-range speaker system, sold in pairs (2 each)
- Optimized for a wide variety of U.S., European, and import vehicles
- Technologies: Klippel Verified, FlexFit 2 Basket, ICC Crossover, CTA-2031, VAST Surround
Fit and use
Designed as a Euro-fit 6.5" full-range replacement. Sold as a pair. Confirm vehicle compatibility by checking speaker diameter and mounting details prior to purchase.
What to know
These speakers are marketed as an upgraded full-range option over OEM units and include the features listed above. Confirm fit (diameter, mounting depth, connector type) for your specific vehicle and review technical specifications on the manufacturer resource if you need exact power-handling or dimensional details.
Key features
- 1 Year Warranty
- Linear high excursion matched motor magnetics and suspension design
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Santoprene rubber surround
- FlexFit 2 mounting
- Integrated concealed 12dB/Octave crossover components
- Sold in pairs (2 each)
- Injection molded carbon fiber filled polypropylene cone
- Fatigue and tear resistant poly cotton spider
- Grilles and mounting hardware included
- High temp aluminum voice coil
- Stamp-cast aluminum frame
Technologies

Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be

FlexFit 2 Basket - Speaker
The slot mounted frame pattern of the FlexFit 2 basket utilizes slots (where feasible) instead of single screw

ICC Crossover
The Integrated Concealed Crossover hides the crossover inside the basket, creating a cleaner look and easier

CTA-2031
Power handling on Rockford Fosgate speakers conform to CTA-2031 industry standards. This means your speaker has

VAST Surround (speakers)
Rockford Fosgate's proprietary surround technique, VAST, provides up to a 25% increase in the speakers effective
Specs
Specifications
| Nominal Impedance (Ohms) | 4-Ohm |
| Midrange Mounting Depth | 2.52" (64mm) |
| Grille/Trim Ring Included | Yes |
| Sensitivity (dB @ 1W/1M) | 88 |
| Speaker Type | 2-Way Coax |
| Power Handling (RMS) | 75 Watts RMS 150 Watts Max |
| Tweeter Mounting Depth | n/a |
| Speaker Type | 2-Way Coax |
| Power Handling (RMS) | 75 Watts RMS 150 Watts Max |
| Tweeter Mounting Depth | n/a |
| Crossover | Built-in tweeter crossover High-Pass (HP): 12dB/octave Butterworth |
| Mounting Hardware | Yes |
| Frequency Response (Hz) | 44Hz - 20kHz |
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