Car Speaker Manufacturer for Car Audio, PA and Speaker Parts
Hangzhou Grandix Electronic Co. Ltd. — brand GRANVOZ — manufactures loudspeakers in nine product families: car subwoofers, super tweeters, midrange speakers, coaxial speakers, woofers, driver units, wall speakers and speaker parts, with a mid bass selection drawn from the midrange and woofer ranges. The range is built for importers, distributors and private-label buyers who source at factory level.
- 467Catalogue models
- 9Product families
- 27Models with full published specifications
- 200 pcsLogo OEM order level

The catalogue
Nine families, one factory catalogue of 467 models
Every model on this site is taken from the manufacturer's published catalogue. Families with a full specification table published by the manufacturer are presented as individual product pages; the rest are listed in their family catalogue so you can shortlist by size, construction and application before you enquire.

Car Subwoofers
33 catalogue models6 to 18 inch car subwoofers, single and dual voice coil

Super Tweeters
122 catalogue modelsDome, bullet, horn, piezo and neodymium super tweeters

Midrange Speakers
75 catalogue models6.5, 8 and 10 inch midrange speakers for car and PA

Coaxial Speakers
42 catalogue models4 inch, 6.5 inch and 6x9 coaxial and component speakers

Woofers
57 catalogue modelsCar and PA woofers, including 15 and 18 inch PA models

Driver Units
70 catalogue modelsHorn driver units and compression drivers — voice coils 25.4–99.2 mm, plus piezo models

Wall Speakers
37 catalogue modelsWall mount speakers for commercial and home installation

Speaker Parts
31 catalogue modelsDiaphragms, horns, voice coils and repair parts, plus SKD supply

Mid Bass Speakers
Selection categoryMid bass models listed across the midrange and woofer ranges
Two core lines
Car audio speakers and PA loudspeakers
Car audio
The car audio line covers the full signal chain of a vehicle system: subwoofers from 6 to 18 inch, midrange speakers in 6.5, 8 and 10 inch, dome / bullet / horn / piezo super tweeters, and coaxial and component speakers in 4 inch, 6.5 inch and 6x9 formats. Fully specified models — such as the MD-65S23-06 6.5 inch midrange — carry the manufacturer's complete published specification table on their product pages.
PA and installation
The PA line is built around compression drivers and horn driver units (voice coils from 25.4 mm to 99.2 mm across the moving-coil models, with piezo driver units also listed), PA woofers up to 18 inch, including the PA-0718 (published at 1000 W RMS / 2000 W maximum), plus wall mount speakers for commercial installation. Speaker diaphragms, horns and voice-coil parts support repair and SKD assembly programmes.
Work with the factory
OEM, ODM and SKD supply
On its official website, the company describes an OEM/ODM service with an automatic assembly line, acoustic sound testing that provides Thiele-Small parameters, and an SKD service that supplies speaker parts and components directly to overseas assemblers. The published low-MOQ OEM levels are a 200-piece order for logo application on the dust cap, paper cone, basket or magnet, and a 500-piece order for OEM boxes.
Customer inquiry
Send the model, size or application you are sourcing, with target quantities.
Design process
Drawing and BOM stage, as described in the company's published OEM/ODM flow.
Prototype and tooling
Prototype sample approval and molding / tooling before mass production.
Mass production
Production against the confirmed specification and packaging in your quotation.
OEM & ODM speaker manufacturing → · SKD speaker parts service →
Send your target model and quantity
Tell us the model, size and quantity you are sourcing. Ask the sales team to confirm the specification, minimum order quantity, packaging and lead time for your exact model in the written quotation before you place an order.