cinnkeyi 【2026 Update】 USB 2.1 Computer Speakers with Subwoofer, 3.5mm/USB Input Pc Speakers with Subwoofer, PC/Line-in/Bluetooth Modes, Stereo Sound Ideal for Desktops and Laptops

• 1. 2.1 Channel Audio System – Dual Speakers + Subwoofer Combo Equipped with 2.5" × 2 + 2" × 2 speaker units and a passive bass diaphragm, this system delivers richer low frequencies and clear, detailed mids and highs, creating an immersive stereo surround experience. Ideal for music, movies, and gaming.
• 2. Three Audio Modes – PC / Line-In / Bluetooth Supports PC Mode (USB power + audio), Line-In Mode (3.5mm audio output), and Bluetooth Mode (search for “C5212” on your device). The multifunction knob allows quick mode switching and ensures easy compatibility with computers, phones, tablets, and gaming devices.
• 3. USB Plug-and-Play & Independent Volume Control (USB Power Only in Line-In Mode) Features an oxidation-resistant USB port for stable and durable power delivery. In PC Mode, a single USB cable handles both power and audio; in Line-In Mode, audio is transmitted via the 3.5mm jack, while USB provides power only. The independent volume knob allows smooth volume adjustment—clockwise to increase, counterclockwise to decrease—and supports long-press power on/off.
• 4. High-Performance Audio Specs – Clear, Powerful, Low Distortion Delivers high-fidelity sound with ≥85dB SNR, 40Hz–18kHz frequency response, and 500mV sensitivity. Built-in DSP digital signal processing and sound card functionality further enhance clarity, detail, and stereo imaging.
• 5. Wide Compatibility & Compact Space-Saving Design The main speaker measures W19 × D9.5 × H11 cm, and the satellite speaker W8.6 × D9.3 × H14.8 cm, providing a compact footprint ideal for any desk setup. For best performance, use the USB port on the back of your PC to ensure stable voltage and superior audio output.

【2026 Update】USB 2.1 Computer Speakers with Subwoofer , 3.5mm/USB Input Pc Speakers with Subwoofer, PC/Line-In/Bluetooth Modes, Stereo Sound Ideal for Desktops and Laptops

Shipping

• We offer FREE shipping on all domestic orders and on select international destinations (please refer to the shipping options section of the listing for full details).

  Handling time is specified in the listing details at the top of the page.

  We use a range of reliable carriers, including UPS, FedEx, and USPS, depending on the destination and service level.

  Local pickup is not available at this time.

  Combined shipping may be available for certain international orders.

Return

• You can return a product for up to 30 days from the date you purchased it.
• Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.

response

Your satisfaction is our priority.
If you experience any issue with your order, please reach out to us directly. We will work promptly to resolve it to your satisfaction.

Contact Us

If you have any queries, please contact us via . We usually respond within 24 hours on weekdays.

Please visit our store to check out other items for sale!

Thank you for shopping at our store.