Yamaha MS101-4 Powered Monitor Speaker

The MS101-4 powered monitor speaker is our standard in the range of desktop utility powered monitors. It offers portability in a compact design and simple but comprehensive functions for outstanding usability. Don't let its small footprint fool you, the MS101-4 is capable of up to 117dB SPL, great even in noisy environments, its wide dynamic range provides remarkable accuracy at low levels as well.

Key Features

• 30 Watts of amplifier power provides clean, high output sound
• Four-inch-high output driver with a 1-inch voice coil
• Front mounted controls provide easy access
• Two band EQ for quick tone adjustments
• Redesigned enclosure for an even lower profile
• Smooth frequency response from 77kHz to 20kHz
• Compatible with a wide range of optional brackets
• Directly mountable on Euro microphone stands

Technical Specifications

System Type
Full range powered Speaker, Bass-reflex Type
Frequency Range (-10dB)
77Hz - 20kHz
Measured Maximum SPL(Peak) Pink noise (1m)
115 dB SPL
Transducer
Diameter
4” Cone
Voice coil
1”
Magnet
Ferrite
Enclosure
Material, Color
Plastic (PP), Black
Dimensions (WxHxD, without rubber feet)
142x196x187 mm (5 5/8”x 7 3/4”x7 3/8”)
Net Weight
2.1kg (4.6 lbs）
Handles
Side x 2
Screw Threads (bottom)
2 x M5; depth 11mm; spaced 60 mm apart
1 x 3/8-16; depth 12mm (.47”)
Optional Speaker Brackets
BMS-10A, BAS-10, BWS20-190, BCS20-210, BCS20-150
Amplifier
Amplifier Type
Class-D
Power Rating
Dynamic
30 W
Continuous
20 W
Cooling
Natural cooling (no fan)
Connector
Input
Input (Front): Combo, Line Input 1: Stereo mini, Line Input 2: Phone TRS
Output
Phone TRS (x1)
Power
IEC AC Inlet x1
Input Impedance
INPUT (Front): LINE: 5.4 kΩ, MIC: 5.4 kΩ, LINE INPUT 1, 2: 10 kΩ
Input Sensitivity (VOLUME: Maximum)
INPUT (Front): LINE: -10 dBu, MIC: -40 dBu, LINE INPUT 1, 2: -10 dBu
Nominal Input Level (VOLUME: Center)
INPUT (Front): LINE: -10 dBu, MIC: -40 dBu, LINE INPUT 1, 2: -10 dBu
Maximum Input Level
INPUT (Front): LINE: +20 dBu, MIC: -10 dBu, LINE INPUT 1, 2: +20 dBu
Controls
VOLUME x 1, LOW CONTROL x 1, HIGH CONTROL x 1, POWER
Idle Power Consumption
3W
1/8 Power Consumption
10W
Power Requirements
100V-240V, 50/60 Hz