Ground Zero GZUM 55SQ – 2.17″ Sound Quality Midrange Speaker
The Ground Zero GZUM 55SQ 2.17″ midrange speaker is crafted for high-quality sound, featuring a coated silk dome and neodymium motor for an exceptional audio experience. This sound quality speaker delivers smooth midrange tones, thanks to its precision-engineered components, and is housed in a durable GZ design enclosure with a hexagon protection grill. Ideal for audiophiles looking to enhance their sound system with rich, clear midrange frequencies.
Key Features
- Coated Silk Dome: Provides smooth sound reproduction with refined clarity.
- Neodymium Motor: Ensures efficient power handling and high-quality sound output.
- Resonance-Free Basket: Reduces distortion for a pure audio experience.
- Hexagon Protection Grill: Safeguards the speaker for long-lasting performance.
Specifications
- Model: Sound Quality Midrange Speaker
- Diameter: 55 mm / 2.17″
- Power Handling (RMS/Max): 90 / 150 Watts
- Impedance: 4 Ohms
- Efficiency: 88 dB
- Frequency Response: 500 Hz – 11 kHz
- Voice Coil: 55 mm / 2.17″ copper
- Cone Material: Coated Silk
- Magnet Material: Neodymium
- Mounting Diameter: 69 mm / 2.72″
- Mounting Depth: 33 mm / 1.3″
- Resonance Frequency (Fs): 353 Hz






