--- product_id: 421683022 title: "CT Sounds Bio 6.5-Inch 2-Way Silk Dome Coaxial Car Speakers (Pair)" brand: "ct sounds" price: "¥29984" currency: JPY in_stock: true category: "Ct Sounds" url: https://www.desertcart.jp/products/421683022-ct-sounds-bio-6-5-inch-2-way-silk-dome store_origin: JP region: Japan --- # 50Hz-20kHz wide frequency range 60W RMS power per pair 2.16" shallow mounting depth CT Sounds Bio 6.5-Inch 2-Way Silk Dome Coaxial Car Speakers (Pair) **Brand:** ct sounds **Price:** ¥29984 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your drive with sound that commands attention! ## Quick Answers - **What is this?** CT Sounds Bio 6.5-Inch 2-Way Silk Dome Coaxial Car Speakers (Pair) by ct sounds - **How much does it cost?** ¥29984 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/421683022-ct-sounds-bio-6-5-inch-2-way-silk-dome) ## Best For - ct sounds enthusiasts ## Why This Product - Trusted ct sounds brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Sleek Build:** Black stamped steel basket with polypropylene cone ensures long-lasting durability and stylish looks. - • **Easy Installation Fit:** Shallow 2.16" mounting depth fits most vehicles effortlessly—upgrade your ride without hassle. - • **Seamless Coaxial Design:** Tweeter and woofer aligned for perfect audio phase and a unified soundstage—no compromises. - • **Powerful Audio Performance:** Feel every beat with 60W RMS power delivering crisp, clear sound that fills your car. - • **Silk Dome Tweeter Precision:** Experience silky highs and rich mids from the 13mm silk dome tweeter for immersive sound clarity. ## Overview The CT Sounds Bio 6.5-Inch 2-Way Silk Dome Coaxial Car Speakers deliver a robust 60W RMS power output with a wide 50Hz to 20kHz frequency range. Featuring a 13mm silk dome tweeter and polypropylene woofer cone, these coaxial speakers provide clear, balanced sound from a single point source. Designed with a durable black stamped steel basket and a shallow 2.16" mounting depth, they offer easy installation and reliable performance for any car audio upgrade. ## Description When you need a top-notch qualified speaker for your car speaker systems, then better check out the new Bio 6.5" Coax Speaker from CT Sounds! With black stamp steel basket, the Bio 6.5" Coax speaker lets you go for high sounds without any possible fractures. The plastic polypropylene cone of this speaker lets you have that reliability satisfaction that most of the customers' desire. For your car speakers, the BIO 6.5" is just an ace because- the tweeter and the woofer are placed at the same location from where, the audio output; as a whole of all the audio frequencies, comes out. Basically, that is the meaning of being Coax automobile speakers. More specifically, vehicles having a single point of speaker installation, going for a Coax car speakers like Bio 6.5" is just the one stop solution! Features: 1. It entails 3mm front plate which is coated with fine quality white Zinc. 2. The speaker includes a 13mm silk-dome tweeter on top of the woofer at the center. 3. There is a crossover circuit inbuilt after the speaker contacts rigidly. 4. There is a majestic voice coil of 0.8" (diameter) at the central portion of the speaker skeleton. Technical Specifications: 1. Speaker/woofer size: 6.5" Coaxial 2. Crossover circuit: 3.3 μF capacitor (50V rated) For Woofer: 3. DC resistance: 3.2 ohm 4. Resonant frequency: 102 Hz 5. Magnetic field (B): 8800 Tesla 6. QTS: 1.186 7. Cone material: Plastic polypropylene (PP), NBR surround For Tweeter: 8. Tweeter size (diameter): 13 mm 9. Tweeter type: Silk-dome Ratings: 10.Power rating per speaker: 30W (rms), 60W (max) 11. Power rating per pair: 60W (rms), 120W (max) 12. Frequency range (-10dB): 50 Hz - 20 kHz 13. Impedance: 4 ohm 14. SPL: 89 dB (@ 1w/1m) Mounting Parameters: 15. Cutout diameter: 5.65" 16. Mounting depth: 2.16" ## Features - Speaker Power Rating Per Pair - 60w RMS / 120w MAX - 6.5 Inch 2 Way Silk Dome Tweeter Coax Car Speakers - 6.5 Speakers Frequency range (-10dB): 50 Hz - 20 kHz, SPL: 89 dB (@ 1w/1m) - 6.5 Car Speakers Cone material: Plastic polypropylene (PP) with NBR surround - Car Speakers Mounting Depth: 2.16" ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01LWKO0R2 | | Antenna Location | Car | | Audio Driver Size | 6.5 Inches | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Surround | | Box Contents | 2 x Speaker | | Brand Name | CT Sounds | | Colour | black | | Compatible Devices | MP3 Player, Smartphone, Tablet | | Compatible with Vehicle Type | Car | | Connectivity Protocol | Coaxial | | Control Method | Voice | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.4 4.4 out of 5 stars (343) | | Enclosure Material | Polypropylene | | Frequency Response | 20 KHz | | Impedance | 4 Ohms | | Is Waterproof | False | | Item Dimensions D x W x H | 16.6D x 16.6W x 5.9H centimetres | | Item Weight | 16 Grams | | MP3 player | No | | Manufacturer | CT Sounds | | Maximum Range | 10 Metres | | Maximum Speaker Output Power (in watts) | 200 Watts | | Model Name | BIO-6-5-COX | | Model Number | BIO-6-5-COX | | Mounting Type | Flush Mount | | Network Connectivity Technology | Auxiliary | | Number of Audio Channels | 2.0 | | Number of Items | 2 | | Power Source | Corded Electric | | Product Features | Durable, Lightweight, Bass Boost | | Speaker Size | 6.5 Inches | | Speaker Type | Coaxial | | Specific Uses For Product | Car | | Subwoofer Connectivity Technology | Wired | | Subwoofer Speaker Diameter | 6.5 Inches | | Tweeter Diameter | 0.75 Inches | | Warranty Type | Limited | | Wireless Technology Type | Bluetooth | | Woofer Driver Diameter | 6.5 Inches | ## Product Details - **Audio output mode:** Surround - **Brand:** CT Sounds - **Connectivity technology:** Auxiliary - **Frequency response:** 20 KHz - **Material:** Polypropylene - **Model name:** BIO-6-5-COX - **Mounting type:** Flush Mount - **Speaker maximum output power:** 200 Watts - **Speaker type:** Coaxial - **Special feature:** Durable, Lightweight, Bass Boost ## Images ![CT Sounds Bio 6.5-Inch 2-Way Silk Dome Coaxial Car Speakers (Pair) - Image 1](https://m.media-amazon.com/images/I/71IKFTDluZL.jpg) ## Questions & Answers **Q: I putting these in 95 gmc have a pioneer 400w 2chl should i go down on the amp or just set the gain down lower to drive the speaker** A: For the size of your amp I wouldn't go with that coaxial. I would go with a higher series or separates. **Q: Will these fit in a 2006 gmc envoy xl . I know i need a 6.5 but will the be to long** A: It fit in a Honda Civic. Not sure about GMC **Q: Is this for a 2008 honda accord** A: Look online for the speaker size of your car and if says 6.5 inch then it'll be a perfect fit **Q: it would fit in my 1998 jeep wrangler overhead bar?** A: Yes, they should. You may need to make some modifications to make them fit depending on the exact model you have. ## Frequently Bought Together - CT Sounds BIO-6-5-COX 6.5 Inch Coaxial Car Speakers, 200 Watts Max, Pair - CT Sounds BIO-6X9-COX 6x9 Inch Coaxial Car Speakers, 200 Watts Max, Pair - CT Sounds BIO-4X6-COX 4x6 Inch Coaxial Car Speakers, 160 Watts Max, Pair --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/421683022-ct-sounds-bio-6-5-inch-2-way-silk-dome](https://www.desertcart.jp/products/421683022-ct-sounds-bio-6-5-inch-2-way-silk-dome) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-11*