FiR Audio
FiR Audio M4
M4: Mezzo Soprano
Beautiful vocals with well-balanced treble and bass to bring out the definition of audiophile music.
Engaging and musical tuning, the M4 pairs 4 drivers with FiR’s unique technologies to this end. Using a dynamic driver for well-extended, highly textured lows, with 3 balanced armatures covering the midrange and high frequencies, tuned for a smooth, vast, and yet highly resolved sound signature. CombiningFiR's Direct Aperture design and the 3rd generation Atom pressure release system. The M4 gives the listener musical sound with an even larger soundstage and a pneumatic pressure-free listening experience suited for vocalists, keyboardists, guitarists, and audiophiles.
| System Format | 4-driver hybrid |
| Driver Type |
10mm dynamic driver Balanced armature driver for Mids Balanced armature driver for Hi-Mids Direct Treble balanced armature driver |
| Frequency Response | 10 Hz - 20,000 Hz |
| Nominal Impedance | 6.4 Ohms |
| Connection (Universal Fit) | MMCX female socket (Gold Plated) |
| Chassis Material (Universal Fit) |
Sandblasted and anodised aluminum CNC-machined from a single block |
| Colour (Universal Fit) |
Black body Champagne Gold faceplate |