Yamaha MS101-4 Powered Monitor Speaker Overview:

The industry standard in compact monitors
The standard model in our range of desktop utiility powered monitors, the MS101-4 offers portability in a simple, compact design, with comprehensive functions for outstanding usability. The MS101-4 comes with a 3/8-16 threaded female mounting for direct attachment to a Euro microphone stand. Optional accessories can also be added for use in a wide range of applications.

A compact, convenient approach to high-quality monitoring anywhere
Compatible with both line and mic inputs, the MS101-4 offers the flexibility needed for temporary or permanent use in applications requiring simple, compact monitors.

Simple, portable, durable design
With the controls (power switch, volume and tone controls) and the combo jack input on the lower front panel, you'll find the MS101-4 is easy to operate. The sturdy metal grill offers complete protection for the four-inch cone driver, while the rear panel is equipped with one stereo mini and a TRS Phone input connector, along with an output jack. An AC inlet for a removeable power cord provides excellent portability. The bass reflex port is also located on the rear surface, resulting in a more compact chassis.

Features

• 30W of amplifier power provides clean, high output sound
• Redesigned enclosure for an even lower profile
• Combo Input jack accepts both XLR and 1/4" connectors
• Directly mountable on Euro microphone stands (optional mic stand adaptor BMS-10A is available for adjusting tilt angle)

General specifications

• Speaker type: Full range Powered Speaker, Bass-reflex Type
• Frequency range (-10dB): 77 Hz–20 kHz
• Maximum output level (1m; on axis): 115 dB SPL *1
• Components LF-HF: 4" Cone, 1" Voice coil, Ferrite magnet
• Flying and mounting hardware: Screw threads (bottom): 2 x M5 depth 11 mm pitch 60 mm (for 2, M5 x 6-10 mm screws), 1 x 3/8" depth 12 mm (for 1 x 3/8" x 9-11 mm screw)
• Amplifier class: Class-D
• Power rating: Dynamic 30 W
• Continuous: 20 W
• Cooling: Natural cooling (no fan)
• I/O Connectors
• Mic Input: [Front] INPUT: Combo, [Rear] INPUT LINE 1: Stereo Mini, INPUT LINE 2: Phone (TRS)
• Line Out: 1 x Phone (TRS)
• AC: 1 x AC inlet
• Input impedance: [Front] INPUT: LINE=5.4 kΩ / MIC= 5.4 kΩ, [Rear] INPUT LINE 1,2: 10 kΩ
• Input sensitivity: [Front] INPUT: LINE=-10 dBu / MIC=-40 dBu, [Rear] INPUT LINE 1, 2: -10 dBu (VOLUME: Maximum)
• Input Level: [Front] INPUT: LINE=+5 dBu / MIC=-25 dBu, [Rear] INPUT LINE 1, 2: +5 dBu (Nominal Input Level / VOLUME: Center), [Front] INPUT: LINE=+20 dBu / MIC=-10 dBu, [Rear] INPUT LINE 1, 2: +20 dBu (Maximum Input Level)
• Others: Controls: 1 x VOLUME, 1 x LOW CONTROL, 1 x HIGH CONTROL, POWER
• Indicators: POWER (Green LED)
• Power consumption: 1/8 Power Consumption: 10 W, Idle Power Consumption: 3 W
• Dimensions
• W: 142 mm
• H: 196 mm
• D: 187 mm
• Net weight: 2.1 kg