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Item #:
37689331
Infinity Kappa 603CF 6-1/2" (165mm) Two-way Component Speaker System
87% of respondents would recommend this to a friend
Item #:
37689331
AUD 909
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Monday, October 26
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Infinity Kappa Series delivers uncompromised audio quality
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What Stands Out
High-Quality Sound
Experience exceptional audio clarity with advanced engineering, delivering rich bass and crisp highs for a vibrant listening experience, ideal for audiophiles and casual listeners alike.
Durable Materials
Constructed with premium materials, ensuring longevity and resilience against wear and tear, making this speaker system a reliable choice for all your audio needs.
Easy Installation
Designed for straightforward setup, the Infinity KAPPA603CF fits seamlessly into various vehicles, offering a hassle-free upgrade to your car audio system without extensive modifications.
Product Details
- Infinity KAPPA603CF 6-1/2 165mm two-way component speaker system
- Kappa edge-driven silk dome tweeters deliver smooth highs with impressive thermal power handling and 40kHz high resolution
- Glass fiber woofer cones provide increased low-frequency output and higher efficiency
- Angled tweeter with push-button control for output level optimization
- Tweeters are angled and rotatable to provide imaging options and elevate the soundstage
- Compact crossovers with 2-way and 3-way selections for midrange upgrade
| Brand | Infinity |
| Speaker Maximum Output Power | 220 watts |
| Frequency Response | 40 KHz |
| Connectivity Technology | Coaxial |
| Audio Output Mode | Stereo |
| Item Weight | 12 lbs (5.44 kg) |
Who Should Buy?
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Car Audio Enthusiasts
Those seeking high-quality sound and clarity for an enhanced driving experience will benefit from these speakers.
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Audiophiles on a Budget
Budget-conscious users wanting premium sound quality in their vehicle without overspending will find these speakers suitable.
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DIY Installers
Individuals interested in upgrading their car audio system themselves will appreciate the easy installation process of these speakers.
-
Audiophiles Preferring Brands
Users who have strong brand loyalty to specific high-end audio brands may find these speakers less appealing.
Product Description
Infinity Kappa 603CF 6-1/2" (165mm) Two-way Component Speaker System
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How to Shop Infinity Kappa 603CF 6-1/2" (165mm) Two-way Online From Ubuy?
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Question:
Is Infinity Kappa 603CF 6-1/2" (165mm) Two-way Available to Shop Online in Australia?
Answer: Yes, at Ubuy Australia this product is available for you to shop at a reasonable price. The Infinity Kappa 603CF 6-1/2" (165mm) Two-way is not available locally but you can trust us with our express shipping services. -
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How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Infinity Coaxial Speakers Editorial Review
Infinity Kappa 603CF 6-1/2" (165mm) Two-way Component Speaker System delivers exceptional audio quality with a frequency response of up to 40 KHz, making them a great option for car audio enthusiasts. Users have reported that these speakers produce awesome sound even when paired with stock stereos, and they truly shine when amplified. Many reviews commend the clean bass and high-quality treble from the tweeters, although some users noted that the tweeters can be overly loud without proper EQ settings. Overall, the Kappa 603CF is a fantastic choice for those looking to upgrade their vehicle’s sound system and experience clear and powerful audio output.
Customer Reviews & Ratings
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Pros
- High-quality treble and clear sound
- Impressive bass response for 6.5" speakers
- Compatible with various car types
- Relatively easy to install
- Great upgrade from factory speakers
Cons
- Tweeters may require EQ adjustment for balance
Platform Trust & Buyer Confidence
EC
Eddie
Verified buyer
“Purchased from Europe and arrived within 10 days. Very happy with the service”
30 August 2026 · via Trustpilot
D
David
Verified buyer
“Order arrived quickly and as ordered. Recommend”
10 September 2026 · via Trustpilot
MC
Matt
Verified buyer
“Very happy customer. Excellent communication with speedy delivery. My daughter is loving her new bike which was delivered too Australia all the way from the states, no problems at all. Highly recommended.”
02 October 2026 · via Trustpilot
C
Customer
Verified buyer
“Thank you a very good product works perfectly. Thank you Ubuy. ”
02 October 2026 · via Trustpilot
AA
Anna
Verified buyer
“3D Crystal Puzzles - Roses In A Vase (Black and Purple) Brilliant transaction! Thank you so much for your excellent service! Items are exactly as described, in great condition and package very well, quality and appearance are excellent and the price was amazing. Fast delivery too! Highly recommended!”
07 October 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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AUD 909
Order now and get it around Monday, October 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Refined design, proprietary technology, premium materials
- Convenient features for customizing sound
- Includes 2 woofers, 2 tweeters, and 2 external crossovers
- Handles up to 110 watts RMS (330 watts peak power)
- Includes installation manual and all necessary components
- Grilles not included
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