PC POWER SG-D7 USB 2.0 Mini Multimedia SpeakerThe PC POWER SG‑D7 USB 2.0 Mini Multimedia Speaker is a compact 2.0‑channel stereo speaker system powered via a single USB‑2.0 cable (5 V⎓1 A), designed for simple plug‑and‑play desktop or laptop use. Each of its dual 52 mm plastic drivers delivers 3 W RMS (total 6 W, THD < 1%), covering a frequency range of 100 Hz to 18 kHz with a signal‑to‑noise ratio of 8 dB and an input impedance of 4 Ω-resulting in punchy mids, clear highs, and modest bass performance . The plastic enclosure measures approximately 9 × 9 × 9 cm and weighs around 200 g, with no built‑in memory card slots, FM radio, mic input, remote, lighting, or wireless capabilities-just streamlined wired audio
