1. All Frequency Speaker: This 50mm full range vibration speaker delivers deep, robust bass with a peak power of 25W, ensuring an immersive sound experience. Its 4Ω impedance ensures compatibility with various audible systems for versatile use
2. Powerful Bass Resonance: Designed for bass enthusiasts, this portable loudspeaker vibro produces powerful low frequency resonance comparable to an 8 inch traditional speaker, offering rich, distortion free sound in a compact design
3. 360° Surround Sound: This portable resonance speaker features 360° surround sound, breaking the limitations of conventional speakers, evenly dispersing sound in all directions for a unique listening experience favored by audiophiles
4. Frequency Response: Despite its compact 50mm size, this full frequency bass speaker delivers exceptional clarity across 20Hz-20kHz frequency, with zero standing waves for pure, detailed reproduction of vocals and instruments
5. Wide Compatibility: This speaker combines compatibility and versatility, can be applied with various devices. Whether you want to amplify the sound from a computer, laptop, MP3, MP4, CD player or mobile phone, it can meet your needs

Specification:
Item Type: Resonance Speaker
Product Material: Stainless Steel
Product Size: Approx. 50 x 50 x 30mm / 2 x 2 x 1.2in
Impedance: 4ohm
Power: 25W
Type: Dynamic (Moving Coil)
Shape: Round
Diaphragm Material: Non Paper
Magnet Circuit Type: Internal Magnet
Frequency Characteristics: Full Frequency (Full Spectrum)
Rated Power: 25W
Frequency Response: 20Hz-20kHz
Directivity: Positive
Sensitivity: 95dB/W
Signal to Noise Ratio: 90dB
Harmonic Distortion: 5(TMD%)
Features: Innovative design, 360° sound propagation, no cabinet standing waves for original sound, extremely clear sound across all frequencies, a 50mm resonance speaker delivers bass quality equivalent to an 8 inch subwoofer, strong sound penetration,