All products of Dengbao Road are strictly produced in accordance with national quality standards and have passed multiple authoritative certifications:
Domestic certification: All products have passed the China 3C mandatory certification (GB 4943.1-2011 "Information Technology Equipment Security Part 1: General Requirements"), and some audio products have passed the China Electronic Audio Industry Association (CAIA) sound quality certification; ​
International certification: Export models have passed CE certification (EU safety standards), FCC certification (US electromagnetic compatibility standards), RoHS certification (environmental standards), ensuring compliance with the entry requirements of major global markets; ​
Testing report: Each product has undergone performance and safety testing by a third-party authoritative testing institution (such as the China Household Appliances Research Institute) before being launched. The testing report can be found in the "Quality Certification" section of the official website.

Dengbaolu Electric Appliances is recruiting distributors and agents at all levels across the country for a long time, with the following cooperation conditions:
Qualification requirements: Enterprises or individual businesses with legal business qualifications, with priority given to those with sales experience in audio equipment, musical instruments, or home appliances; ​
Resource requirements: Having a fixed offline business location (such as stores, exhibition halls), possessing certain customer resources and marketing capabilities; ​
Cooperation process: Submit cooperation application through the "Investment Promotion and Franchise" section on the official website → Official review of qualifications and regional market potential → Communication of cooperation details between both parties (such as supply price and sales tasks) → Signing of cooperation agreement → Completion of the first batch of orders → Formal authorization for operation; ​
Support policy: Franchisees can enjoy brand authorization, promotional material support, sales training, after-sales collaboration and other services. They can receive rebate rewards for achieving annual sales targets.

The battery life and fast charging capability of Dengbao Road portable speakers vary depending on the model. The parameters for mainstream models are as follows:
Ultra lightweight models (such as DBL Fly Light): Equipped with a built-in 3000mAh battery, it has a full charge range of 8-10 hours and supports 10W fast charging. It can be fully charged in 2 hours; ​
Noise cancelling models (such as DBL Quiet Sound): Built in 5000mAh battery, with 12 hours of battery life when noise cancelling mode is turned on and 18 hours of battery life when noise cancelling mode is turned off, supporting 18W fast charging; ​
Three proof models (such as DBL Tough Outdoor): Equipped with a built-in 10000mAh battery, it has a 24-hour battery life and supports 22.5W fast charging. It can also be used as a mobile power bank to charge your phone; ​
The specific battery life is affected by the volume and usage functions (such as Bluetooth connection and lighting), and may vary slightly in actual use.

Yes, Dengbaolu Electric provides users with multi-dimensional usage support:
Online teaching resources: The "Learning Center" section on the official website, along with official YouTube and Bilibili accounts, provides product operation video tutorials (such as guitar speaker tone adjustment, smart speaker networking settings) and solutions to common problems; ​
One on one technical guidance: Users who purchase professional level products (such as DBL SmartGuitar smart guitar speakers) can book free online guidance services from official technical consultants to learn advanced features such as AI sound matching and multi device linkage; ​
Offline training activities: Regularly hold "Dengbao Road Audio Classroom" in key cities, inviting professional musicians to explain product usage skills and audio knowledge. Users can register and participate through the official website activity preview.

Dengbao Road provides customized services for specific series of guitar speakers, as follows:
Professional level product customization: Flagship level guitar speakers such as DBL ProGuitar 500 support customizing tone parameters (such as exclusive EQ curves and effect settings) for professional musicians or performance teams. Requirements must be submitted through the official "customization service" channel and confirmed by the technical team before production; ​
Appearance customization: Enterprise procurement or bulk orders (usually more than 10 units per order) can customize the appearance, such as printing the enterprise logo, customizing exclusive color schemes (meeting the minimum customization quantity requirement); ​
Customization process: Submit customization requirements → Official feasibility evaluation → Issue customized plan and quotation → User confirmation and payment of deposit → Production and acceptance → Delivery, the entire process usually takes 30-45 days.

You can purchase through the following legitimate channels:
Official channels: Dengbao Road official store (built-in on the official website), official Tmall flagship store, JD self operated store, Pinduoduo official flagship store; ​
Offline channels: Authorized dealers in various cities across the country (address can be found in the "Offline Stores" section of the official website), professional instrument stores (mainly guitar speaker series), and large home appliance stores (some portable speakers and party speakers are available for sale); ​
Enterprise procurement: If enterprise users need to purchase commercial products in bulk (such as enterprise party speakers), they can contact the official enterprise procurement hotline to obtain customized quotations and exclusive services.

Dengbaolu Electric Appliances implements the national unified after-sales service policy, as follows:
Warranty period: Home audio products (such as portable speakers and practice grade guitar speakers) come with a default warranty of 1-2 years, while professional grade products (such as stage guitar speakers and commercial party speakers) come with a warranty of 2-3 years (as specified in the product manual); ​
Warranty scope: During the warranty period, any malfunctions caused by product quality issues (such as circuit failures or damaged speakers) can enjoy free repair or replacement of parts services; Damage caused by human factors (such as falling or water ingress) or faults caused by force majeure shall incur repair costs; ​
After sales process: Users can submit after-sales needs through the official APP, the "After sales Application" section of the official website, or the customer service hotline. Follow the prompts to provide product information and fault description. The staff will respond within 1-2 working days and guide subsequent repair or on-site service (supported in some cities).

There are two ways to check the authenticity of a product:
Official verification channel: Log in to the official website of Guangzhou Dengbao Road Electric Appliance Co., Ltd., enter the unique anti-counterfeiting code on the product packaging box in the "Product Verification" section (usually located at the bottom or side of the packaging box, with an anti-counterfeiting label attached), and the system will provide real-time feedback on the verification results; ​
Customer service assistance verification: Call the official customer service hotline (which can be found in the "Contact Us" section of the official website), provide information such as product serial number, purchase channel, and production date, and customer service personnel will assist in verifying authenticity.

Dengbaolu Electrical Appliances has a rich product matrix, with core series and positioning as follows:
Guitar speaker series: including professional level (such as DBL ProGuitar 500, positioned for large-scale stage performances and professional recording), portable practice level (such as DBL Practice Mini, aimed at beginners' daily practice), intelligent interaction level (such as DBL SmartGuitar, focusing on AI empowered innovative performance experience), retro style level (such as DBL VintageTone, focusing on classic sound and retro aesthetics); ​
Portable speaker series: covering ultra light outdoor models (such as DBL Fly Light), noise cancelling commuting models (such as DBL Quiet Sound), three proof adventure models (such as DBL Tough Outdoor), etc., to meet the portable listening needs of different scenarios; ​
Party audio series: including enterprise customized models (such as DBL Business Pro), flagship entertainment models (such as DBL Party King), suitable for large gathering scenes such as corporate annual meetings and private parties.

Guangzhou Dengbaolu Electric Appliance Co., Ltd. was established in [specific year of establishment, if not publicly disclosed, it can be described as "early cultivation in the field of audio equipment"], and is a company dedicated to the research and development, production, and sales of audio equipment. Our core business covers multiple categories of audio products such as guitar speakers, portable speakers, and party speakers. Our products are aimed at professional musicians, audio enthusiasts, and corporate users, catering to the needs of multiple scenarios such as home, outdoor, and stage performances. We are committed to providing high-quality audio solutions through technological innovation.