NEUMANN KMS 104 plus
MRP - Rs. 81,900
NEUMANN KMS 104 plus condenser stage vocal microphone: cardioid, extended bass, 150 dB max. SPL, built-in pop screen, nickel or black. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Acoustics
| Acoustical operating principle | Pressure gradient transducer |
| Directional pattern | Cardioid |
| Frequency range | 20 Hz - 20 kHz |
| Sensitivity at 1 kHz into 1 kΩ | 4.5 mV/Pa ± 1 dB = -47 dBV |
| Equivalent noise level, CCIR | 28 dB |
| Equivalent noise level, A‑weighted | 18 dB‑A |
| Signal‑to‑noise ratio, CCIR (re. 94 dB SPL) | 66 dB |
| Signal‑to‑noise ratio, A‑weighted (re. 94 dB SPL) | 76 dB |
| Maximum SPL for THD 0.5 % | 150 dB |
| Fixed high‑pass filter | -3 dB at 120 Hz (free field) |
Electrical
| Rated impedance | 50 Ω |
| Rated load impedance | 1 kΩ |
| Maximum output voltage | 12 dBu |
| Supply voltage (P48, IEC 61938) | 48 V ± 4 V |
| Current consumption (P48, IEC 61938) | 3.5 mA |
| Output | Balanced, transformerless; pin 1 ground, pin 2 +, pin 3 - |
Mechanical
| Matching connector | XLR 3 F |
| Weight | Approx. 300 g |
| Diameter | 48 mm |
| Length | 180 mm |
| Finish | Nickel (008624); black, bk (008625) |
Notes
| Noise and S/N | According to IEC 60268‑1; CCIR weighting according to CCIR 468‑3, quasi peak; A‑weighting according to IEC 61672‑1, RMS |
| Maximum SPL | Measured as equivalent electrical input signal |
Product overview
The NEUMANN KMS 104 plus is a studio grade condenser vocal microphone for the stage with a tight cardioid pattern and an extended bass response that lends extra weight and warmth to the voice.
It combines a true Neumann condenser capsule with all the virtues of a rugged stage microphone: excellent pop protection, enormous SPL capability of up to 150 dB and high feedback resistance. Optimised for close miking, it has a fixed low cut that compensates for the proximity effect, a hardened steel headgrille with a highly effective internal pop screen, and a transformerless 50 Ω output that drives cable runs of up to 300 m. The plus version gives added emphasis to the lower register (100-150 Hz) and is particularly popular with female singers. It is available in nickel (KMS 104 plus) and black (KMS 104 plus bk).
| Maximum SPL for 0.5 % THD | 150 dB |
| Sensitivity at 1 kHz | 4.5 mV/Pa |
| Equivalent noise level | 18 dB‑A |
| Rated impedance | 50 Ω |
Key features
- Balanced sound with extended bass for extra warmth
- Popular with female singers
- Tight cardioid pattern without off-axis coloration
- Unaffected by extreme sound pressure levels: up to 150 dB
- Feedback resistant
- Built-in pop screen in a hardened steel headgrille
- Transformerless output: cable runs of up to 300 m
- Delivered with the SG 105 stand clamp and a padded nylon bag
- Nickel or black finish
Studio quality for stage vocals
Instead of a dynamic capsule, the KMS 104 plus uses a true condenser capsule with the clarity that made Neumann studio microphones famous, yet it is as rugged as a stage microphone needs to be. Its smooth frequency response with an airy top end and fast transient response give effortless intelligibility without the usual EQ boosts, which further improves feedback resistance.
Extended bass for warmth
The plus version gives added emphasis to the lower register (100-150 Hz), lending more weight and warmth to voices. A fixed high-pass filter (-3 dB at 120 Hz) compensates for the proximity effect of close miking and keeps the bass clear.
Pop protection and rugged build
The hardened steel headgrille contains a highly effective internal pop screen that also keeps moisture away from the capsule, without causing sibilance problems. The thick-walled metal case protects the head amplifier and strongly attenuates handling noise; the acoustic filters unscrew for cleaning.
Applications
Designed primarily as a handheld vocal microphone, the KMS 104 plus also suits percussion, saxophone, trumpet, trombone, harmonica, acoustic guitar and guitar cabinets, and is a superb microphone for home recording and broadcast.
In the box
- KMS 104 plus microphone (or KMS 104 plus bk)
- SG 105 stand clamp
- Padded nylon bag
Available versions
- KMS 104 plus: nickel, Cat. No. 008624
- KMS 104 plus bk: black, Cat. No. 008625
NEUMANN KMS 104 plus: frequently asked questions
What polar pattern does the KMS 104 plus have?
A tight cardioid pattern without off-axis coloration, for high gain before feedback. It is addressed from the top (axial).
Does the KMS 104 plus need phantom power?
Yes. It is phantom powered at 48 V ± 4 V, 3.5 mA (P48, IEC 61938). Any P48 supply providing at least 3.5 mA per channel is suitable.
Can the KMS 104 plus be used for recording too?
Yes. Neumann describes it as an excellent microphone for home recording and broadcast: optimised for close placement, it picks up a dry sound with very little ambience, which suits untreated rooms.
How is the headgrille cleaned?
Unscrew the headgrille, take out the gauze cylinder or foam, clean them in water or mild solvents, let them dry and reassemble the microphone.
What is the difference between the KMS 104 plus and the KMS 104 plus bk?
Only the finish: nickel (Cat. No. 008624) or black (Cat. No. 008625). Both come with the SG 105 stand clamp and a padded nylon bag.
Where can I buy the NEUMANN KMS 104 plus in India?
The NEUMANN KMS 104 plus is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Lead vocals on stage
Singers and front-of-house engineers on live stages.
Connections
| Connect | To |
|---|---|
| KMS 104 plus in the SG 105 stand clamp | Microphone stand |
| XLR 3 microphone cable | Mixer or stage box input (P48) |
Setup
- Fit the microphone in the SG 105 and connect it with a balanced XLR cable.
- Switch on 48 V phantom power and wait a few seconds until the microphone is ready.
- Sing close to the top of the microphone; keep the rear of the cardioid pattern towards the floor monitors.
- Set the gain with the loudest passage of the song.
Tip: The fixed low cut keeps the bass clear even with very close miking.
Workflow 2: Handheld vocals
Singers who move around the stage.
Connections
| Connect | To |
|---|---|
| KMS 104 plus | Mixer input (P48) |
Setup
- Take the microphone out of the clamp.
- Hold it by the body, not by the headgrille.
- Sing on axis into the top of the microphone.
- Check the level during the sound check.
Tip: The thick-walled metal case strongly attenuates handling noise.
Workflow 3: Wind instruments and percussion
Live engineers miking saxophone, trumpet, trombone, harmonica or percussion.
Connections
| Connect | To |
|---|---|
| KMS 104 plus | Mixer input (P48) |
Setup
- Place the microphone close to the bell or the instrument.
- No pre-attenuation is needed: up to 150 dB SPL.
- Set the preamp gain so the input does not clip.
- Use the pattern to keep neighbouring instruments out.
Tip: The wide dynamic range handles loud brass close up.
Workflow 4: Guitar cabinets and acoustic guitar
Bands and engineers on stage.
Connections
| Connect | To |
|---|---|
| KMS 104 plus | Mixer input (P48) |
Setup
- Place the microphone in front of the speaker or the guitar.
- Adjust the distance for the right bass balance.
- Set the gain.
- Check for feedback at stage volume.
Tip: High gain before feedback suits acoustic guitars on loud stages.
Workflow 5: Home recording in untreated rooms
Singers and producers recording at home.
Connections
| Connect | To |
|---|---|
| KMS 104 plus | Audio interface microphone input (P48) |
Setup
- Mount the microphone on a stand with the SG 105.
- Switch on phantom power.
- Sing close to the microphone.
- Record: the close placement gives a dry sound with very little ambience.
Tip: Close miking keeps room reflections out of the recording.
Workflow 6: Broadcast and wireless use
Presenters and live productions.
Connections
| Connect | To |
|---|---|
| KMS 104 plus | Broadcast console input or a plug‑on / pocket transmitter |
Setup
- Connect to a console input with P48, or to a transmitter that supplies P48 (3.5 mA min.) with the signal on pin 2.
- Check that the transmitter has sufficient dynamic range.
- Speak close to the microphone.
- Set the level and record or transmit.
Tip: The 50 Ω output drives cable runs of up to 300 m without losses.
