What certifications does the product hold?

The product is certified with CE, FCC, RoHS, and CB standards, ensuring compliance with international safety and quality regulations.

What is the warranty period for this amplifier?

We provide a 3-year warranty for this pre-amplifier model.

What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece, allowing for flexible purchasing options.

680W Pre-Amplifier with 4 Zones and USB

Name: 680W Pre-Amplifier with 4 Zones and USB
Brand: Guangzhou Lingyin Electronic Co., Ltd.
SKU: 878565755

Guangdong, ChinaGuangzhou Lingyin Electronic Co., Ltd.

US$240.00

1-29 Pieces

US$235.00

30-99 Pieces

US$230.00

100+ Pieces

Product profile

Customization

Available

Amplification Type

Passive

Speaker Material

Aluminium

Model NO.

LPA-680TM

Usage

Stage/DJ, Karaoke, Portable Player, Home Theatre System, Computer

Adjusting Method

4-16 Ohms-70-100V

Sound Channel

Structure

Amplifier

Function

SNR

81-90dB

Place of Origin

Guangzhou, Cn

Brand Name

Qqchinapa

Certificate

Ce, FCC, RoHS, CB

Protetion

High Temp, Overload&Short-C

Factory History

More Than 10 Years

Warranty

3 Years

Deliver Time

2-25days

Factory Ability

OEM ODM

Transport Package

Carton

Specification

CE. CB, CCC. FCC. ROHS

Trademark

QQ CHINA, Lingba, OEM

Origin

Guangzhou, Guangdong, China

Production Capacity

20000PCS/3months

Key features

Multi-Zone Volume Control: Features 4 independent zones with individual volume, tone, and mute control for flexible audio management.

USB Plug-and-Play: Directly plays audio from USB disks without additional software or complex setup.

Dual Output Compatibility: Supports both 70-100V line voltage and 4-16 Ohms speaker outputs simultaneously.

Comprehensive Protection: Equipped with safeguards against short-circuit, overheating, and overload with alarm functions.

Visual Level Monitoring: Includes a 5-element LED level meter for easy visual monitoring of sound levels.

Extensive Connectivity: Features 3 microphone inputs, 2 auxiliary inputs, and 1 auxiliary output for system linking.

OEM/ODM Expertise: Over 10 years of experience in custom manufacturing with flexible customization options.

Certified Quality: Certified with CE, FCC, RoHS, and CB standards ensuring high safety and quality.

Company profile

Cooperated with Fortune 500Full Customization100% Finished Products InspectionPrivate Mold

Guangzhou Lingyin Electronic Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤6.42h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Guangzhou’s Baiyun District and operates in manufacturing. It demonstrates documented procedures for supplier-service assessment, corrective and preventive actions, complaint handling, and quality assurance. The supplier reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. R&D evidence includes new products within the past year, ODM services, SDK availability, and broad customization options. It reports OEM service for well-known brands, inventory capability, participation in the INTERSEC Exhibition, and access to Guangzhou and Shenzhen ports. However, it lacks a valid manufacturing contract with affiliated subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and reports zero countries with overseas services. Financial information is only represented by year labels, so financial strength cannot be determined.

Supplier typeThe supplier is classified as a factory, with a combined company type, located in Guangzhou’s Baiyun District; associated companies are in manufacturing. This directly supports its identity as a manufacturing supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. These stated certifications provide explicit evidence of management-system and product-compliance credentials, although no certificate scope or validity details are provided.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus inventory capability and written supplier-service assessment procedures. However, it has no overseas warehouse, showroom, agent, or branch, and reports service coverage in zero countries, limiting evidence of overseas after-sales infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM services, and an available SDK. These are explicit indicators of active R&D and product-development capability.

Production capacityThe supplier is a factory, reports OEM service for well-known brands, inventory capability, 31 qualified suppliers, documented supplier-capability assessment, and peak-season fulfillment of one month. A stated lack of valid contracts with affiliated subcontractors is a production-governance weakness, but the records still provide explicit evidence of production capability.

Customization capabilityThe supplier offers flexible, minor, and full customization, including customization from customer designs and samples. It also reports ODM service, providing direct evidence of broad customization capability.

Client casesThe supplier reports OEM service for well-known brands and participation in the INTERSEC Exhibition. These indicate some brand-serving and market-exposure experience, but no specific customer names, project details, or verifiable case studies are provided.

Product Q&A

Q:What are the input and output options?

The amplifier features 3 microphone inputs, 2 auxiliary inputs, and 1 auxiliary output for linking. It supports USB plug-and-play and outputs to both 70-100V line voltage and 4-16 Ohms speakers.

Q:Can I control the volume for each zone independently?

Yes, the LPA-680TM model includes 4 zones with individual volume control, low/high tone control, and mute functions for each zone.

Q:What protection features does this amplifier have?

It includes protection against short circuits, overheating, and overload, along with an alarm function to ensure safe operation.

Q:Is OEM or ODM service available?

Yes, we offer flexible OEM and ODM services, including customization from designs or samples, leveraging over 10 years of manufacturing experience.

Q:What is the lead time for orders?

For the first order, shipping can be completed within 25 days. For repeated orders, delivery can be arranged within 15 days.