Harmonic Listing 【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
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Overview
【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
Highlights
- 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.
Shipping & Dispatch
Your order will be mailed to the shipping address linked with your account. Confirm all details before finalizing your purchase.
We typically dispatch items within 1-2 business days. Anticipate delivery in approximately 3-7 business days, dependent on your location.
P.O. Boxes or local pickups aren’t offered unless specifically noted.
Returns & Reassurance
We stand by the quality of our merchandise. If you’re unsatisfied, you may initiate a return through ’s returns process within 30 days of receiving your shipment.
Products must be kept in original packaging and condition to qualify for a refund. If the item arrives damaged or is significantly not as described, please message us through so we can resolve the issue quickly.
Payment & Security
We accept major credit cards and PayPal through ’s secure checkout. Double-check your billing information to ensure a smooth transaction.
Questions?
Feel free to reach out via ’s messaging platform. We aim to address inquiries within 24-48 hours, ensuring a helpful and pleasant buying experience.
