4x8 Inch Speakers Audio System Sound
Product name: Sound Box Bluetooth Speaker
Model: CS-8402
Brand: Blank/OEM
Driver unit: 4x8 inch woofer+ tweeter
Battery: 3.7V/3600mAh lithium battery
Play time: 2-3 hours
Packing: Color box
FOB port: Guangzhou/Shenzhen China
MOQ: >=1 (stock goods)
Description
Guangzhou Deyin Electronics Co., Ltd. is one of the leading manufacturers and suppliers of 4x8 inch speakers audio system sound in China. If you're going to wholesale durable 4x8 inch speakers audio system sound made in China, welcome to get quotation from our factory. All customized products are with high quality and low price.
4x8 inch speakers audio system sound
- Product name: Sound Box Bluetooth Speaker
- Model: CS-8402
- Brand: Blank/OEM
- Driver unit: 4x8 inch woofer+ tweeter
- Battery: 3.7V/3600mAh lithium battery
- Play time: 2-3 hours
- Packing: Color box
- FOB port: Guangzhou/Shenzhen China
- MOQ: >=1 (stock goods)

4x8 Inch Professional Audio System:
4 high-sensitivity woofers + tweeter deliver deep bass and clear highs-covers 200+ square meters, perfect for commercial venues and big parties. Frequency response 60Hz-20kHz, meeting professional audio standards.
Durable for Commercial Use:
High-density plastic shell, 72-hour aging test-withstands frequent use (3-5 years lifespan for commercial venues). Defect rate <0.2%, reducing after-sale hassle.
Cost-Effective for Resellers
Factory-direct pricing cuts 20% off middleman costs. 40HQ container holds 1374 units, reducing shipping costs by 25% per piece.
Long-Lasting Battery
3.7V/3600mAh battery plays 2-3 hours at full volume-enough for a big event or party.
Specification
|
Model |
CS-8402 |
Product size |
295x290x985mm |
|
Driver unit |
4x8 inch woofer+ tweeter |
Color box size |
347x333x1035mm |
|
Lithium Battery |
3.7V/3600mAh |
Packing |
Color box |
|
Power |
30W |
N.W |
7.55KG |
|
Color |
Black |
G.W |
8.7KG |
|
Functions |
Bluetooth/ USB∕ TF/ Light/ Mic IN |
40HQ loading Quantity |
578 PCS |
|
Play time |
2-3 hours |
Delivery Time |
10-30days |
|
Input |
DC 5V |
FOB port |
Guangzhou/Shenzhen China |
|
Accessories |
recharge cable |
MOQ |
>=1 (stock goods) |

Cost-Effective & Quality-Assured – Backed by Factory Direct Pricing
Technical Details & Reliability Proof
Acoustic Performance
4 woofers (8-inch) with rubber surrounds reduce distortion; tweeter enhances high-frequency clarity. Sound pressure level (SPL) reaches 105dB, loud enough for 100+ people.
Battery Safety
3600mAh lithium battery with overcharge/over-discharge protection-passes 500+ charge cycle tests, lasting 3-5 years with commercial use.
Bluetooth Connectivity
Bluetooth 5.0 ensures 15m stable connection, supporting multi-device pairing (up to 8 devices, switch freely).
LED Light Technology
Low-energy LED lights with 3 modes (sound-sync, steady, off)-no extra battery drain, perfect for commercial ambiance.
Factory Introduction
- Scale & Capacity: Based in Guangzhou China, 12,000㎡ production area, 8 production lines-daily output 5000+ units, fast lead time for bulk orders.
- R&D Capability: 15-person R&D team, 50+ private molds-update new audio technologies every year (e.g., noise reduction, sound tuning).
- Quality Control: Strict multi-layer testing-material inspection, assembly inspection, 72-hour aging test, pre-shipment inspection.
- Service Advantage: 24/7 customer service, fast sampling (3-5 days), flexible payment terms (30% down, 70% balance), OEM/ODM support.

Our team, with extensive industry experience, is committed to delivering premium service to every customer-plus professional, effective OEM & ODM solutions. Boasting a rigorous quality control system, every single product undergoes comprehensive pre-shipment inspection, guaranteeing exceptional, reliable quality that meets the highest standards and gives you complete peace of mind.

We boast a diverse range of over 100 ready-to-ship product models-spanning various styles and functions! Feel free to place a small trial order first before launching your own brand. As a professional manufacturer, we deliver top-tier quality paired with highly competitive prices, offering your business reliable, cost-effective solutions.

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