Original price was: RM1,525.00.RM1,296.00Current price is: RM1,296.00.
The Shure MX391 Microflex Boundary Condenser Microphone provides clear, natural speech and vocal reproduction in a compact, low-profile design for conference tables, lecterns, stages, houses of worship, classrooms, and installed sound applications.
Featuring interchangeable Microflex condenser cartridges, an RFI-resistant in-line preamplifier, and balanced output, the MX391 delivers reliable professional performance while remaining discreet on any surface. Choose from Cardioid, Omnidirectional, or Supercardioid pickup patterns to suit different coverage and isolation requirements.
| Specification | MX391/C | MX391/O | MX391/S |
| Microphone Type | Electret Condenser Boundary | Electret Condenser Boundary | Electret Condenser Boundary |
| Pickup Pattern | Cardioid | Omnidirectional | Supercardioid |
| Frequency Response | 50 Hz–17 kHz | 50 Hz–17 kHz | 50 Hz–17 kHz |
| Sensitivity | -30 dBV/Pa (33.5 mV/Pa) | -22 dBV/Pa (81.4 mV/Pa) | -28 dBV/Pa (38.5 mV/Pa) |
| Maximum SPL | 119 dB SPL | 111 dB SPL | 118 dB SPL |
| Self-Noise | 23 dB SPL-A | 15 dB SPL-A | 21 dB SPL-A |
| Signal-to-Noise Ratio | 71 dB | 80 dB | 73 dB |
| Dynamic Range | 96 dB | 96 dB | 96 dB |
| Output Impedance | 180 Ω | 180 Ω | 180 Ω |
| Output Configuration | Active Balanced | Active Balanced | Active Balanced |
| Preamplifier | RK100PK In-Line Preamp | RK100PK In-Line Preamp | RK100PK In-Line Preamp |
| Audio Output | 3-Pin XLR Male via In-Line Preamp | 3-Pin XLR Male via In-Line Preamp | 3-Pin XLR Male via In-Line Preamp |
| Cable Length | Approx. 4 m / 12 ft | Approx. 4 m / 12 ft | Approx. 4 m / 12 ft |
| Power Requirement | 11–52 V DC Phantom Power, 2 mA | 11–52 V DC Phantom Power, 2 mA | 11–52 V DC Phantom Power, 2 mA |
| Microphone Dimensions | 79.4 × 53.0 × 19.1 mm | 79.4 × 53.0 × 19.1 mm | 79.4 × 53.0 × 19.1 mm |
| Weight | 126 g | 126 g | 126 g |
| Color | Black | Black | Black |
| Recommended Applications | Conference Tables, Lecterns, Speech & General Boundary Pickup | Group Discussions, Meetings & Wide-Area Pickup | Focused Speech, Lecterns & Applications Requiring Greater Isolation |
| Included Accessories | RK100PK In-Line Preamp, Carrying Bag & Allen Wrench | RK100PK In-Line Preamp, Carrying Bag & Allen Wrench | RK100PK In-Line Preamp, Carrying Bag & Allen Wrench |
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