【2026 Update】 USB 2.1 Computer Speakers with Subwoofer
【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
Powerful 2.1 Sound System
Dual satellite speakers paired with a dedicated subwoofer deliver rich bass, clear mids, and crisp highs for an immersive stereo experience.
Optimized acoustic design and DSP processing create a wide, room-filling soundstage—perfect for music, movies, gaming, and daily use.
Independent Control Knob
One multifunction knob for volume adjustment, mode switching, and power on/off, plus independent bass and mid-high tuning for personalized sound.
3-Mode Easy Switching
Supports PC (USB Audio) / Line-In (RCA) / Bluetooth modes. Short press the knob to switch modes effortlessly between devices.
Built-in USB sound card enables instant setup—no drivers required. Just plug in and enjoy stable, low-noise audio performance.
Durable & Stable USB Power
Seamlessly connect to phones, tablets, and laptops via Bluetooth. Search “C5212” to pair and enjoy wireless playback.
Oxidation-resistant USB interface ensures stable voltage and long-term reliability. Recommended to use a rear PC USB port for best performance.
Space-saving desktop size with passive bass membrane design, delivering strong low-frequency impact without occupying extra space.
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.
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