Edge WMA70.4D Ipx7 Waterproof Micro Digital Amplifier
- Type
- Professional Amplifier
- Usage
- Hi-Fi, AV, KTV System, Audio System
- Color
- Black
- Used For
- Professional
- Tube Type
- IC Amplifier
- Function
- Post Amplifier, Amplifier Combined, Pre-amplifier
Specifications
| Product name | Edge WMA70.4D Ipx7 Waterproof Micro Digital Amplifier |
|---|---|
| Category | Speaker Amplifiers & Audio Processors |
| Customization | Available |
| Type | Professional Amplifier |
| Usage | Hi-Fi, AV, KTV System, Audio System |
| Model NO. | WMA70.4D |
| Used For | Professional |
| Tube Type | IC Amplifier |
| Function | Post Amplifier, Amplifier Combined, Pre-amplifier |
| Sound Channel | 4.1 |
| Output Number | 8 |
| Voltage | 1.5 V - 12 V |
| Element Number | Car Audio System |
| Conductive Mode | D |
| Color | Black |
| Input Voltage | 1.5 V - 12 V |
| Maximum Amperage | 15A/20A |
| Transport Package | White Box/Gift Box/Brown Box |
| Specification | 6CH, 32Bands |
| Origin | China |
| Production Capacity | 500000 |
| Model | WMA70.4D |
| REV | 1.0 |
| Tested by | Ken Gu |
| Protection | 70 |
| Come Back | 64 |
| PCB Part No. | 01-040213-2100 |
| Transformer Ratio SPEC | Ø27 Fuse: 40A*1 |
| Power Requirement | +14.4V |
| Audio Analyzer | Audio Precision System TWO 2322 |
| Price | Negotiable 500 Pieces(MOQ) |
| Supplier | Ningbo AVS Technology Co., Ltd. |
| Data retrieved | 2026-10-23 |
Available options
| Voltage | 1.5 V - 12 V |
|---|---|
| Color | Black |
| Input Voltage | 1.5 V - 12 V |
| Power Requirement | +14.4V |
Additional data
| WIRELESS EDGE LIMITED | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Performance for Waterproof Micro Amplifier WMA70.4D | |||||||||||
| Model: WMA70.4D | REV: 1.0 | Tested by: Ken Gu | |||||||||
| Test Item | Unit | Limit | 1 | 2 | 3 | Remarks | |||||
| CH1 | CH2 | CH3 | CH4 | CH5 | CH6 | ||||||
| Output Power | 4 ohm | 1KHz | W | 63 | 68 | 62 | 65 | ||||
| 2 ohm | 1KHz | W | 97 | 102 | 96 | 100 | |||||
| 4 ohm Bridged | 1KHz | W | 193 | 190 | |||||||
| Distortion THD (LPF=80KHz) | 4 ohm | 1KHz | % | 0.23 | 0.18 | 0.22 | 0.18 | ||||
| 2 ohm | 1KHz | % | 0.31 | 0.24 | 0.27 | 0.25 | |||||
| 4 ohm Bridged | 1KHz | % | 0.32 | 0.31 | |||||||
| S/N Ratio(+A) | Full Rated Power | 1KHz | dB | 78 | 80 | 78 | 80 | ||||
| Channel Separation(LPF=80KHz) | 1KHz | dB | -57 | -58 | -57 | -58 | |||||
| Frequency Response | Low Level | -1dB | Hz | 13Hz-42KHz | 10Hz-40KHz | 10Hz-42KHz | 10Hz-40KHz | ||||
| High Level | -1dB | Hz | |||||||||
| High Pass Filter (HPF) | Hz | 37-507 | 41-580 | 38-515 | 40-542 | ||||||
| Low Pass Filter (LPF) | Hz | 38-449 | 36-416 | 38-455 | 38-436 | ||||||
| Bass Boost (60Hz) | dB | ||||||||||
| SUB Sonic | Hz | ||||||||||
| Input Sensitivity | Low Level | 1KHz | V | 0.38-7 | 0.38-7 | 0.38-7 | 0.38-7 | ||||
| High Level | 1KHz | V | |||||||||
| Current Idling | A | 1.4 | |||||||||
| Line Output | mV | 1 | 1 | 1 | 1 | ||||||
| Residual Noise | mV | ||||||||||
| Protection | Over Voltage | V | 16.6V | ||||||||
| Under Voltage | V | 9V | |||||||||
| Speaker Short | Yes | Yes | Yes | Yes | Yes | ||||||
| DC Level | mV | ||||||||||
| Fuse | A | 4ohm: 22 | 2ohm: 37 | 4ohm bridge: 37 | |||||||
| Temperature | ºC | Protection: 70ºC | Come Back: 64ºC | ||||||||
| REV Polarity | Yes | Yes | Yes | Yes | Yes | ||||||
| Remote ON | Scc | ||||||||||
| PCB Part No.: 01-040213-2100 | Transformer Ratio SPEC: Ø27 Fuse: 40A*1 | ||||||||||
| Power Requirement: +14.4V | Audio Analyzer: Audio Precision System TWO 2322 |
| Quantity(Boxes) | 1 - 500 | >300 |
|---|---|---|
| Est. Time(days) | 45 | To be negotiated |
| MOQ | 500 |
Product description
The supplier lists this product as Professional Amplifier. Its stated application is Hi-Fi, AV, KTV System, Audio System. The listed model is WMA70.4D. Supplier-stated function: Post Amplifier, Amplifier Combined, Pre-amplifier. The specifications below reflect the information publicly displayed on the listing. Model NO.: WMA70.4D. Model: WMA70.4D. Power Requirement: +14.4V.
Specifications, options and prices reproduce the supplier's published listing. Please confirm critical parameters with us before ordering.
FAQ
What is the minimum order quantity for Edge WMA70.4D Ipx7 Waterproof Micro Digital Amplifier?
The listed minimum order quantity is 500 pieces. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.
How much does Edge WMA70.4D Ipx7 Waterproof Micro Digital Amplifier cost?
The price is not publicly listed. Send an inquiry with your quantity and requirements to receive a quotation.
Can it be customized with my logo, color or packaging?
Yes — the listing states that customization is available (Available). Describe your requirements in the inquiry.
Where do these specifications come from?
Specifications, options and prices reproduce the manufacturer's published listing on the date shown in the specification table. Please confirm critical parameters before ordering.
Send an inquiry
WMA70.4D · Price on request · MOQ 500 Pieces
