High performance: Enhanced Sound,Low distortion Rate and Extended range with quality strong performance. Ideal for DIY bookshelf speakers or bluetooth multimedia computer speakers. Features: The MR3AT19R is equipped with a 0.75″ copper voice coil and offers 83 dB sensitivity for clear, bright sound. Its broad frequency range ensures strong performance with low distortion. Durable steel chassis and high-quality materials ensure reliable and long-lasting performance Main Parameters and Specifications: Rms power: 15 W, Max power: 30 W, Nominal impedance: 4 Ω ±15%, Sensitivity: 83 dB ±2dB, Nominal diameter: φ92x45 mm, Cone Material: paper,Magnet material: Ferrite Applications: Ideal for reproducing human vocals, watching movies, and enjoying pop music. A choice for DIY home audio speakers,gaming setups, live Streaming, Computer multimedia audio system, home theaters,, and office audio systems. In the package: 2 speaker drivers, 8 installation srews.1 Year Warranty. Hi-Fi Speakes for DIY home audio speakers ,gaming set-up, computer speakers , car speakers ,or near-field monitor speakers .
Specifications
Size : 3 inch
Shape: Round
Outside Diameter: 92mm
Installation holes distance: 84mm
Opening Hole for Speaker ：73mm
Magnet Diameters： 70mm
Height of speaker：47mm
Paramerts:
Rms power: 15 W,
Max power: 30 W,
Nominal impedance: 4 Ω ±15%, Minimum impedance: 3.6 Ω ±15%,
Resonance frequency (Fs): 120 Hz ±15%, Sensitivity (2.83V/1m): 83 dB ±2dB, Diaphragm area (Sd): 28.2 cm²,
Force factor (BxL): 3.34 N/A, Mechanical Q-factor (Qms): 2.097, Electrical Q-factor (Qes): 0.84, Total Q-factor (Qts): 0.6, Equivalent air volume (Vas): 0.637 Ltr,
Compliance (Cms): 562.1 uM/N, Moving mass (Mms): 3.1 g, Efficiency (Eta & No): 0.129 %,
Frequency range: 120 Hz～5 kHz, Buzz & rattle test: 7.7V 100Hz～5kHz
Nominal diameter: φ92x45 mm, Chassis material: Steel, Dust cap material: Paper, Cone material: Paper,
Surround material: Rubber, Magnet material: Ferrite, Magnet dimensions (ODxIDxH): φ70xφ25x15 mm,
Thickn.Washer (ODxIDxH): φ65x4xφ20.9 mm, Thickn.Poleplate (ODxIDxH): φ65x4xφ18.9 mm, Thickn.Poleplate Vent ID: mm,
Voice coil diameter: 19.45 mm, Voice coil layer: 2 L, Voice coil winding height: 9 mm, Voice coil line material: Copper,
Voice coil former material: Aluminum, Xmax: 2.5 mm, Air Gap width: 1 mm
In the package: 2 (1 pair) speaker drivers, 8 installation srews.
Specifications
Size : 3 inch
Shape: Round
Outside Diameter: 92mm
Installation holes distance: 84mm
Opening Hole for Speaker ：73mm
Magnet Diameters： 70mm
Height of speaker：47mm
Paramerts:
Rms power: 15 W,
Max power: 30 W,
Nominal impedance: 4 Ω ±15%, Minimum impedance: 3.6 Ω ±15%,
Resonance frequency (Fs): 120 Hz ±15%, Sensitivity (2.83V/1m): 83 dB ±2dB, Diaphragm area (Sd): 28.2 cm²,
Force factor (BxL): 3.34 N/A, Mechanical Q-factor (Qms): 2.097, Electrical Q-factor (Qes): 0.84, Total Q-factor (Qts): 0.6, Equivalent air volume (Vas): 0.637 Ltr,
Compliance (Cms): 562.1 uM/N, Moving mass (Mms): 3.1 g, Efficiency (Eta & No): 0.129 %,
Frequency range: 120 Hz～5 kHz, Buzz & rattle test: 7.7V 100Hz～5kHz
Nominal diameter: φ92x45 mm, Chassis material: Steel, Dust cap material: Paper, Cone material: Paper,
Surround material: Rubber, Magnet material: Ferrite, Magnet dimensions (ODxIDxH): φ70xφ25x15 mm,
Thickn.Washer (ODxIDxH): φ65x4xφ20.9 mm, Thickn.Poleplate (ODxIDxH): φ65x4xφ18.9 mm, Thickn.Poleplate Vent ID: mm,
Voice coil diameter: 19.45 mm, Voice coil layer: 2 L, Voice coil winding height: 9 mm, Voice coil line material: Copper,
Voice coil former material: Aluminum, Xmax: 2.5 mm, Air Gap width: 1 mm
In the package: 2 (1 pair) speaker drivers, 8 installation srews.