What is the power output of the B4 model?

The B4 model delivers 4x1000W at 8 ohms, 4x1500W at 4 ohms, 4x2000W at 2 ohms, and 3700W in BTL mode.

What are the dimensions of the amplifier?

The product dimension is 406x481x45mm with a 1U height.

What is the total harmonic distortion?

The THD+N is greater than 0.035% at 1kHz.

B Series Class D 1000W*4@8ohms: Durable Power Amplifier

Name: B Series Class D 1000W*4@8ohms: Durable Power Amplifier
Brand: Enping City Ruixing Electronics Technology Co., Ltd.
SKU: 2236321455

Guangdong, ChinaEnping City Ruixing Electronics Technology Co., Ltd.

US$350.00

10 Sets

Product profile

Customization

Available

Type

Professional Amplifier

Usage

AV, KTV System, Stage Performance

Model NO.

B series

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier

Sound Channel

2.0

Output Number

Voltage

Customized

Element Number

Push-Pull Amplifier

Conductive Mode

Transistor

44n50p

High-Light

with Pfc

Logo Design

Customizable Backlit Logo

Input Connectors

3 Pin-XLR/RCA/Trs

Amplifier Protection

DC/VHF/Short Current/Limit/Softstart

Input Sensitive

Trade Term

EXW, Fob

Transport Package

1PCS Per Kraft Paper Box

Specification

Trademark

RXF, OEM available

Origin

China

HS Code

8518400090

Production Capacity

2000sets/Month

Key features

Ultra-Slim 1U Chassis: Lightweight design saves 70% rack space, ideal for touring and fixed installations.

Studio-Grade Hi-Fi Audio: Patented Peak Limiter + Ripple Cancellation with <0.03% THD and crystal-clear detail.

Dual Power Efficiency: LLC soft-switching PSU + Active PFC ensures 90%+ efficiency with 100-240V global voltage.

Pro-Level Flexibility: Supports Stereo, Parallel, and Bridge modes with 0.775V-2V input sensitivity.

10-Layer Protection Shield: Overload, short-circuit, thermal, and surge protection ensures 24/7 stability.

Customizable Backlit Logo: Logo design is customizable to meet specific branding requirements.

Comprehensive Testing: Each unit undergoes sound testing, tuning, and aesthetic checks before shipment.

OEM/ODM Services: Full customization, minor customization, and flexible customization options available.

Company profile

High Repeat Buyers ChoiceExhibition Experience100% Finished Products InspectionCustomization from Designs

Enping City Ruixing Electronics Technology 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: 4 Years CertifiedNearest Port: Jiangmen PortAverage Response Time: ≤9.72h

AI-Powered supplier vetting

SummaryThe supplier is a combined business engaged in R&D, production, sales, and online sales of electronic products, audio equipment, office equipment, household appliances, and related goods. It demonstrates broad customization capability, ODM services, recent product development, OEM service for known brands, raw-material traceability, and 100% finished-product inspection. Production evidence includes two production lines, an annual output range stated in the source, and lead times of within 15 workdays off-season and one month during peak season. However, no certification information is provided. After-sales procedures, corrective actions, and complaint handling exist but lack written records. The supplier has no overseas warehouse, showroom, agent, or branch, and its overseas service coverage is recorded as zero. Financial information is present but cannot be assessed here, and no customer cases are explicitly documented.

Supplier typeThe supplier is identified as a combined company whose scope covers research and development, production, sales, online sales, and trading of electronic products, audio equipment, office equipment, household appliances, and daily necessities. This indicates a vertically broad business profile rather than a narrowly defined trading-only operation.

After-Sales capabilityThe supplier has procedures for customer complaints and corrective and preventive actions, but no written records are available. It has no overseas warehouse, showroom, agent, or branch, while overseas service coverage is recorded as zero; therefore, documented after-sales execution and overseas support are limited or unverified.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and supports customization from samples, designs, minor changes, and full or flexible requirements. However, it has no available SDK and the stated total experience of R&D engineers is one year, so the evidence supports product-development activity but not a strong advanced-innovation assessment.

Production capacityProduction-related evidence includes an assembling line, two production lines, 100% finished-product inspection, raw-material traceability, and stated lead times of within 15 workdays off-season and one month during peak season. The supplier also reports six to ten quality-control staff in one slice, while another lists three quality assurance and quality control inspectors; despite this variation, the evidence explicitly demonstrates operating production and inspection capacity.

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