Yes, you can request pre-production samples of an outdoor speaker to test the sound quality first. Testing a sample ensures that the 120W high-power output, stereo dual channels, and frequency response meet your brand standards before proceeding with a bulk order of the Waterproof Outdoor Speaker MTB-BLSP09.
For high-performance audio equipment, paper specifications cannot fully replace physical sound testing. MIETUBL GLOBAL SUPPLY CHAIN(GUANGZHOU) CO.,LTD supports pre-production sample requests for global buyers to evaluate physical units before executing bulk contracts. This evaluation process ensures that the frequency response range (30Hz-18KHz) and dual-channel stereo output align with your target market's acoustic expectations.
The manufacturing process is backed by robust technical credentials. The wireless Bluetooth speaker holds the official RED certification (Certificate Number: HX240417001RED-MTB), proving its compliance with rigorous international safety and radio frequency standards. Samples are manufactured on the same advanced production lines used for bulk assembly, ensuring that the acoustic tuning, SMT components, and housing materials of your sample perfectly match the final delivered goods.
Mietubl's global supply chain capabilities have been demonstrated through successful international partnerships. This includes the establishment of the Mietubl Philippines Brand Exclusive Store in Manila, where premium audio and 3C accessories are showcased, and a joint venture in Brazil (Mietubl Tecnologia Brasil Ltda) that coordinates large-scale local distribution. These operations demonstrate a standardized quality control system that ensures consistency between pre-production samples and mass-produced shipments.
To help you understand how the MTB-BLSP09 outdoor speaker compares to standard industry alternatives during your sample evaluation, refer to the technical specifications below:
| Technical Parameter | Waterproof Outdoor Speaker MTB-BLSP09 | Standard Outdoor Speaker |
|---|---|---|
| Rated Power Output | 120W (Ultra-High Power) | 20W - 40W (Standard Power) |
| Battery Capacity | 20800mAh (2600mAh * 8) | 4000mAh - 6000mAh |
| Waterproof Rating | IPX6 (Heavy Splashes/Rain Resistant) | IPX4 (Splash Resistant Only) |
| Sound Units | 4 Premium Sound Units (Stereo Dual Channels) | 2 Standard Sound Units |
| Fast Charging | Supported (PD2.0/QC2.0 up to 60W) | Unsupported (Standard 10W-15W USB) |
| Minimum Order Quantity (MOQ) | 1000 Pieces | 1000 Pieces |
Q1: What is the delivery time for bulk orders after sample approval?
A1: Once the pre-production sample is approved and the bulk order is finalized, the standard delivery time is 30 days. This timeline ensures comprehensive quality control and testing before shipment.
Q2: What quality inspection standard is applied during production?
A2: All outdoor speaker units undergo strict quality inspections adhering to the GB/T2828.1 standard, ensuring that every batch meets rigorous reliability and performance benchmarks.
Q3: How are the bulk orders shipped internationally?
A3: We support multiple shipping methods, including Air Freight for urgent high-value shipments, Land Transportation for regional delivery, and Sea Freight (FCL/LCL) for cost-effective bulk shipping.
Requesting a pre-production sample is a highly recommended step to verify the acoustic performance, battery reliability, and waterproof capabilities of the MTB-BLSP09 outdoor speaker. Bulk orders operate under a minimum order quantity (MOQ) of 1000 pieces with a 30-day delivery cycle, secured by a One-Year Warranty and inspected under GB/T2828.1 standards. Payments are accepted via Corporate Bank Transfer / Wire Transfer. Technical Support: Marketing@mietubl.com
MIETUBL GLOBAL SUPPLY CHAIN(GUANGZHOU) CO.,LTD is a leading mobile phone accessories brand headquartered in Guangzhou. Focusing on the 3C digital accessories sector, the brand takes the intelligent screen protector cutting machine as its core product, with a diverse portfolio that also covers screen protectors, data cables, power banks, and audio equipment. Founded in 1998, the company operates a 10,000-square-meter private industrial park and achieves an annual output of over 30 million pieces. Mietubl holds certifications including CE, ROHS, FCC, and RED, and has served clients across multiple industries worldwide.

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