Digital Conference System Professional Meeting Room Audio Discussion Mic Frequency Shifter
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Product Highlights
- Advanced Feedback Suppression: Effectively suppresses feedback and prevents speaker damage even in poor environments.
- High Fidelity Audio Transmission: Ensures clear, high-fidelity speech transmission with 5-14dB voice gain boost.
- Dual-Channel Input/Output: Equipped with balanced mic inputs and dual-channel interfaces for flexible system connection.
- Versatile Application Design: Specifically designed for conferences, lectures, teaching, and stage use scenarios.
- Compact 1U Chassis Design: Space-saving 1U chassis dimensions (420*205*44mm) weighing only 2.41KG.
- Flexible Input Compatibility: Supports non-phantom powered microphones via XLR and RCA mono line inputs.
- Comprehensive 2.5-Year Warranty: Offers 2.5 years warranty from production date with free spare parts for failures.
- 10+ Years Industry Expertise: Backed by over a decade of experience in commercial audio and specialized R&D.
Product Attributes
- Customization
- Available
- Color
- Black
- Type
- Voice Conferencing System
- Model NO.
- S3.0
- Video
- Video
- Composition
- Lcd Display
- Communication
- Wireless
- Transport Package
- Gift Box/Export Carton/Pallet
- Specification
- NA
- Trademark
- Lucky tone or OEM
- Origin
- Guangdong China
- HS Code
- 8518290000
- Production Capacity
- 10000
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Digital Conference System Professional Meeting Room Audio Discussion Mic Frequency Shifter
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Product Description
Description:
Features:
| Power Supply | AC~220V-230V,50/60Hz |
| Frequency Shift Range | 5Hz±1Hz |
| Voice Gain Boost | 5-14dB |
| Line Input Impedance | ≥5KΩ |
| Line Output Impedance | ≤600Ω |
| Frequency Response | Non-shifted state: 20Hz-20KHz Shifted state: 150Hz-15KHz |
| Microphone Connection Compatibility | Non-phantom powered microphone |
| Microphone Connection Method | 1*XLR female socket |
| Weight | 2.41KG |
| Dimensions(W x H x D) | 1U Chassis 420*205*44mm |
| External Input Connections | 1*XLR male microphone, RCA mono line input, effects mono |
| Output Connections | XLR balanced, RCA mono line output, effects mono |
| Functions | Automatic frequency shifting on startup, electronic switch toggling |
| Power | 12W |
| Switch/Indicator | Toggle switch, panel power indicator light, frequency shift indicator |



1. How long is the lead time?
Generally 4 weeks. If any urgent orders for projects, we will do our best to expedite the process and deliver faster, But for OEM orders, lead time would be little longer on the first order since we need more time to communicate the requirements and confirm artworks....
2. What's your payment term?
Our policy is at least 30% deposit before production, and 70% paid before shipment date. Certainly, L/C is also acceptable.
3. How do you pack my goods to ensure intactness in the course of transportation?
We always take care of our products and pack them properly. For example, we use strong cardbox (export carton) stuffing with enough foam/ bubble and inner boxes for air shipment or express, and optional pallet packing could be used for LCL sea shipment for better protection.
4. What's your delivery term?
We quote and deliver on the term of FOB Huangpu (except EXW term for small orders. Of course, CIF, C&F or even door to door is acceptable, so we will check and quote the shipping cost additionally.
5. How about the warranty and after-sales service?
Our warranty is 2 years, but considering the long transit time to oversea customers, we offer two and half year warranty from the production date on serial numbers on. For any failure (no-human included), we shall provide you free spare parts and instruction for repair.
6. What's your advantage over competitors?
A very good questions: Our advantage is more than 10 years expertise and experience in the commercial audio industry, we are good at listening to my customers, getting to know their need and proposing right solution with reliable products. With support from specialized R&D and proficient production teams, we succeed in offering innovative and sophisticated audio equipment of cutting-edge technology, and always keep in mind that to make our customers win and profitable is the core in business cooperation.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR261008". Items marked "" are certified.
Company Profile
Power & Grace specializes in design and manufacturing of Public Address System (PA), Professional Audio System and Portable Speaker Series. With power amplification, loudspeaker, and PA system management engineering resources all located under one roof. Power & Grace uniquely leverages these technologies to deliver products and systems that far outperform the sum of their parts - providing compelling solutions for audio and professional installed sound for customers worldwide. Power & Grace advances in manufacturing and quality control processes. The company manufactures in its 8, 000 square meter, state-of-the-art factory, located in Guangzhou. Utilizing a compliment of demand planning, parts procurement, operations and logistics, computer-controlled system, and rigorous testing and control, our facility is designed with build-to-order flexibility, giving the company unprecedented ability to respond to customer needs while keeping both parts and finished goods inventory at well-maintained levels.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 101 1st. floor, No. 15 Pingdu Rd., Shibi St., Panyu, Guangzhou 511400 China.
-
Plant Area
- 8461 square meters
-
Number of Employees
- 56
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- T/T, LC
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month, 1-3 months
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Guangzhou Port, Shenzhen Port
-
Minimum Order Quantity
- 100 PCS
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Speaker, Audio, Smart Home Audio, Amplifier, Microphone, PA Mixer, Dante Audio
-
Production Lines
- 2
-
Production Machines
- Gluing Facility, Pressing Facility, Semi-Automatic Speaker Assembly Facility, Tunnel Oven, Magnetizing Facility, Laser Marking Facility
-
QA/QC inspectors
- 6 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2016-12-09
-
Export Year
- 9 years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- FCC, RoHS
-
Cooperated with Fortune 500
- No
FAQ
- What is the lead time for orders?
- Generally 4 weeks. Urgent orders may be expedited, but OEM orders may take longer for the first order to confirm requirements and artworks.
- What are the payment terms?
- At least 30% deposit before production and 70% before shipment. L/C is also acceptable.
- How are goods packed for transportation?
- We use strong export cartons with foam/bubble stuffing and inner boxes for air/express, or optional pallet packing for LCL sea shipment to ensure intactness.
- What are the delivery terms?
- We quote and deliver on FOB Huangpu terms. EXW is available for small orders, and CIF, C&F, or door-to-door options are also acceptable.
- What is the warranty and after-sales service policy?
- We offer a 2.5-year warranty from the production date. For any non-human failure, we provide free spare parts and repair instructions.
- What are your advantages over competitors?
- We have over 10 years of expertise, specialized R&D teams, and a focus on providing innovative, reliable audio solutions that help customers win and remain profitable.
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