SEMIBREVE NP20,ES9039Q2M Hifi Audio Decoder Amp Dual Lossless Player User Manual
SEMIBREVE NP20 HiFi Audio Decoder Amp User Manual
Product Information
Model: NP20
Product Name: HiFi Audio Decoder Amp Dual ES9039Q2M Lossless Player
Supports: All audio formats
Safety Information
WARNING: Please read all safety instructions carefully before using this product.
General Safety Precautions
- Only use the power adapter supplied with this product or an equivalent recommended by the manufacturer.
- Do not expose this product to rain or moisture.

- Keep this product away from heat sources such as radiators, heat registers, stoves, or other equipment that produce heat.
- Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other equipment that produce heat.
- Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
Electrical Safety
- Unplug this product during lightning storms or when unused for long periods of time.
- Use only with the cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product.
- Refer all servicing to qualified service personnel. Servicing is required when the product has been damaged in any way, such as power-supply cord or plug damage, liquid spilled or objects fallen into the product, the product has been exposed to rain or moisture, does not operate normally, or has been dropped.
Product Specifications
Technical Specifications
- Decoder Chip: Dual ES9039Q2M
- Audio Formats Supported: All common audio formats including FLAC, WAV, AIFF, DSD, ALAC, MP3, AAC, etc.
- Frequency Response: 20Hz – 40kHz
- Signal-to-Noise Ratio: ≥ 120dB
- Total Harmonic Distortion: ≤ 0.001%
- Output Power: 2 × 50W (8Ω)
- Input Interfaces: USB, Optical, Coaxial, Bluetooth 5.0
- Output Interfaces: RCA, XLR, Headphone 6.35mm
Installation and Setup
Unpacking
Carefully unpack the product and check that all components are present: – SEMIBREVE NP20 Main Unit – Power Adapter – Remote Control – Optical Audio Cable – RCA Audio Cables – User Manual
Connection Instructions
- Place the unit on a stable, well-ventilated surface
- Connect the power adapter to the DC IN port on the rear panel
- Connect your audio source devices using appropriate cables:
• Digital audio sources: Use optical or coaxial cables
• Analog audio sources: Use RCA cables
• Wireless devices: Pair via Bluetooth - Connect speakers or headphones to the output ports
- Plug the power adapter into a suitable power outlet
Operation Instructions
Power On/Off
- Press the power button on the front panel or remote control to turn the unit on/off
- The unit will enter standby mode after 10 minutes of inactivity
Source Selection
- Press the “Source” button to cycle through input options:
‣ USB
‣ Optical
‣ Coaxial
‣ Bluetooth
‣ AUX
Volume Control
- Use the volume knob on the front panel or remote control
- Maximum volume level is limited to prevent speaker damage
Playback Controls
- Play/Pause: Start or pause audio playback
- Track Forward/Backward: Skip to next or previous track
- Mode: Change DSP modes (Direct, Studio, Live, etc.)
Usage Limitations
Operational Limitations
- Operating Temperature: 0°C to 40°C
- Storage Temperature: −20°C to 70°C
- Relative Humidity: 20% to 80% (non-condensing)
- Maximum Operating Altitude: 3,000 meters
Compatibility Limitations
- Maximum supported resolution: 32-bit/768kHz PCM, DSD512
- Bluetooth range: Up to 10 meters (line of sight)
- USB storage device support: Up to 2TB
Maintenance and Care
Cleaning Instructions
- Unplug the unit before cleaning
- Use a soft, dry cloth to clean the exterior
- Do not use abrasive cleaners or solvents
- Clean ventilation openings regularly to prevent overheating
Troubleshooting

Warranty Information
This product comes with a 2-year limited warranty covering manufacturing defects.
The warranty does not cover damage caused by misuse, unauthorized modifications, or normal wear and tear.
Service Information
For warranty service or technical support, please contact: – Customer Service
Hotline: [Insert Phone Number] – Email Support: [Insert Email Address] – Website: [Insert Website URL]
Environmental Information
Disposal Instructions
Environmental Warning: This product contains electronic components and must not be disposed of with household waste.
- At the end of its life, this product should be taken to a designated collection point for electrical and electronic equipment.
- Proper disposal helps conserve natural resources and ensures safe recycling.
Energy Efficiency
This product meets EU energy efficiency standards and automatically enters low- power standby mode when not in use.
Compliance Information
This product complies with the following EU directives: – Low Voltage Directive 2014/35/EU – EMC Directive 2014/30/EU – RoHS Directive 2011/65/EU – REACH Regulation (EC) No 1907/2006
CE Marking indicates compliance with applicable EU legislation.
Manufacturer: SEMIBREVE Technology Co., Ltd.
Address: [Insert Manufacturer Address]
Date of Manual: [Insert Date]
Version: V1.0
This manual is subject to change without notice. For the latest information, please visit our official website.