2PCS 4" 4 Ohm Audiophile Full Range Speaker Round High Fidelity Loudspeakers Cast Aluminum Frame

2PCS 4" 4 Ohm Audiophile Full Range Speaker Round High Fidelity Loudspeakers Cast Aluminum Frame

Description:
The full-frequency units have made many improvements and enhancements to restore the overtone of the music. In the environment of the same caliber, sensitivity, and power impedance, the human voice heard by the units will be closer to us and the level is clear and pleasant. When used with 4-inch labyrinth speakers, their bass capabilities are amazing.

Features:
- Suitable for 4" full-range labyrinth speaker boxes
- Compared with the full-range unit with the same sensitivity and the same caliber, this sound density and vocal thickness are obviously superior. The sound source is closer to us, and the outline is clearer
- Unique design contains scientific truth
- Powerful magnetic circuit system guarantees high sensitivity of the unit
- High fidelity natural restoration
- The cone made from cotton linen fiber and bamboo fiber
- Improve the sound quality of tube amplifiers
- Fully anti-magnetic design
- Suitable for digital turntables players, lossless decoders, small class A power amplifiers

Product Parameters:
- Model: RF-406pro
- Category: High Fidelity Full Range Speaker
- Impedance: Optional 4Ω/8Ω
- Rated power: 25W
- Resonance frequency: 72Hz
- Frequency response range: 72Hz-20KHz
- Sensitivity: 91dB±3dB
- Voice coil diameter: 25mm
- Sound cone material: cotton linen fiber and bamboo fiber
- Vas: 9L
- Qts: 0.52
- BL: 2.5
- Net weight: 1.1Kg
- Magnet outer diameter: 85mm
- Voice coil frame: for AKSV
- Linear displacement: 8mm
- Compatible speaker box: bass reflex speaker box/labyrinth speaker box
- Recommended inverted tube: inner diameter 36mm, length 120mm

Package Included:
- 2 x Loudspeakers