1. Product Overview
The SMSL PL150 is a high-performance CD player designed for audiophiles, offering extensive compatibility with standard CD, MQA-CD, and HDCD formats. It features a CS43198 D/A chip for superior audio conversion, multiple output options including RCA, 3.5mm, 4.4mm headphone, optical, and coaxial, and supports in-car playback. This manual provides detailed instructions for setting up and operating your PL150 to ensure an optimal listening experience.

Image 1: Overview of the SMSL PL150 CD Player highlighting its main features such as in-car playback, CS43198 D/A chip, MP3 CD support, gold-plated connectors, standard CD compatibility, source digital output, dual headphone jacks, full-lamination IPS display, dual power input, optical/coaxial digital output, and available colors (silver/black).
2. What's in the Box
Upon unboxing your SMSL PL150 CD Player, please ensure all the following items are present:
- SMSL PL150 CD Player
- Remote Control
- USB to DC Power Cable
- User Manual

Image 2: The SMSL PL150 CD Player, its remote control, USB to DC power cable, and the user manual, as typically found in the product packaging.
Video 1: An unboxing video of the S.M.S.L PL150 CD Player, demonstrating the contents of the package and the initial presentation of the device.
3. Key Features
- Extensive CD Compatibility: Supports standard CD, MQA-CD, and HDCD formats, allowing playback of a wide range of audio discs.
- High-Performance D/A Chip: Equipped with the CS43198 D/A chip for high-fidelity audio conversion.
- Versatile Outputs: Features RCA, 3.5mm, and 4.4mm headphone outputs, along with optical and coaxial digital outputs for flexible connectivity.
- Dual Power Input: Can be powered via DC or USB (5V 2A-3A).
- Full-Lamination IPS Display: Provides clear and detailed information during operation.
- In-Car Playback Support: Designed for adaptability, including use in vehicles.

Image 3: The SMSL PL150 CD Player displaying its compatibility with various CD formats including Standard CD (12cm), MQA-CD, and HDCD.

Image 4: A detailed view of the internal components of the SMSL PL150, highlighting the professional-grade CS43198 DAC chip, which is central to its audio performance.
4. Setup
4.1 Power Connection
The PL150 requires a 5V DC power supply (2A-3A). Use the provided USB to DC power cable and connect it to a compatible USB power adapter (not included) or a USB port that can supply sufficient power. Ensure the power supply meets the specified voltage and current requirements to avoid operational issues.
4.2 Audio Output Connections
The PL150 offers multiple ways to connect to your audio system:
- RCA Output: Connect standard RCA cables from the L/R RCA outputs on the rear panel to your amplifier or receiver's analog inputs.
- Optical Output: Use an optical fiber cable to connect the OPTICAL output on the rear panel to a digital input on your DAC or amplifier.
- Coaxial Output: Use a coaxial cable to connect the COAXIAL output on the rear panel to a digital input on your DAC or amplifier.
- Headphone Outputs: For personal listening, plug your headphones into either the 3.5mm or 4.4mm headphone jacks on the front panel.

Image 5: Illustration of the rear panel of the SMSL PL150, detailing the analog (RCA) and digital (Coaxial, Optical) output connections and their typical integration with pure amplifiers, headphone amplifiers, audio DACs, and integrated amplifiers.

Image 6: A comprehensive diagram labeling all buttons and ports on the front and rear panels of the SMSL PL150, including power, volume, track controls, headphone outputs, RCA, optical, coaxial outputs, and power input.
5. Operating Instructions
5.1 Basic Controls
- Power On/Off: Press and hold the power button on the front panel or use the remote control.
- Play/Pause: Tap the Play/Pause button on the front panel or remote.
- Stop/Eject: Tap the Stop button to stop playback. Hold to eject the CD.
- Next/Previous Track: Tap the Next or Previous track buttons. Hold for Fast-Forward/Rewind.
- Volume Control: Use the Vol+ and Vol- buttons on the front panel or remote to adjust headphone output volume.
5.2 CD Loading
Gently insert a CD into the slot on the front panel. The player will automatically load and begin reading the disc. To eject, press and hold the Stop/Eject button.
5.3 Bluetooth Functionality
The PL150 supports Bluetooth for both reception and transmission. Refer to the specific instructions in the user manual for pairing with Bluetooth devices (e.g., headphones, speakers) or connecting your phone/tablet to the PL150.
5.4 CD Ripping
The PL150 includes a CD Ripper function, allowing you to extract audio tracks from a CD to a USB flash drive. Insert a CD and an empty USB flash drive into the designated port. Follow the on-screen prompts or refer to the detailed ripping instructions in the full user manual.
Video 2: An operation video for the S.M.S.L PL150, demonstrating basic functions such as power on, CD loading, playback, and control interactions.
Video 3: A demonstration on how to use the CD Ripper function, showing the process of extracting audio tracks from a CD to a USB flash drive.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid abrasive cleaners or solvents.
- Disc Care: Handle CDs by their edges to prevent fingerprints and scratches. Store discs in their cases when not in use.
- Ventilation: Ensure the player has adequate ventilation to prevent overheating. Do not block any ventilation openings.
- Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| CD read errors / No sound | Dirty or scratched CD; incorrect power supply; loose audio cables. | Clean the CD with a soft cloth. Ensure a 5V 2A-3A power supply is used. Check all audio cable connections. Try a different CD. |
| "BLOCK" message on display | Power adapter is too powerful or incompatible. | Use a power adapter that strictly adheres to the 5V 2A-3A specification. Disconnect and reconnect the power. |
| Remote control has limited range | Obstruction between remote and player; low remote battery. | Ensure a clear line of sight to the player's IR receiver. Replace remote batteries if necessary. |
| No power | Power cable not connected; faulty power adapter. | Check power cable connection. Verify power adapter functionality. |
8. Technical Specifications
| Feature | Specification |
|---|---|
| Input | CD |
| Output | RCA / 3.5mm or 4.4mm Headphone / Optical / Coaxial |
| CD Type | CD / CD-R / CD-RW / MP3 CD |
| CD Size | 12cm |
| Headphone Output Power | 60mW x 2 @ 32Ω |
| THD+N | 0.001% |
| SNR | 110dB |
| Power Consumption | 4W |
| Standby Power | <0.1W |
| Size (WxHxD) | 205 x 42.8 x 144.7mm |
| Weight | 1.145kg / 2.52lbs |

Image 7: A detailed table outlining the technical specifications of the SMSL PL150, including input/output types, supported CD formats, headphone output power, THD+N, SNR, power consumption, dimensions, and weight.
9. Warranty and Support
The SMSL PL150 CD Player comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including the warranty period and coverage details.
For technical support, troubleshooting assistance, or warranty claims, please contact S.M.S.L customer service through their official website or the retailer where you purchased the product. Keep your purchase receipt and product serial number handy when contacting support.





