Shure KSM137-SL STEREO
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Shure
https://www.shure.com
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A Classic Stereo Recording Solution, Optimized for Field and Studio Use
The Shure KSM137/SL has established itself as a reliable reference for capturing acoustic sources with finesse, while remaining robust and versatile enough for session demands. The KSM137SLSTEREO pack builds on this foundation by offering two matched cardioid condenser microphones to ensure consistent behavior between channels (level, timbre, response) and a more natural stereo reproduction.
This version also stands out with a very practical ergonomic feature: the set is now supplied with the adjustable A27M adapter, designed for two microphone clips. This is a real time saver for setting up a clean, reproducible, and easily adjustable stereo pair, whether in the studio, auditorium, or on-location recording.
Who the KSM137SLSTEREO Is For and Where It Excels
The KSM137SLSTEREO targets sound engineers, demanding home studio users, stage managers, and recording technicians seeking a coherent stereo solution for recording acoustic instruments, ensembles, and ambient sounds. Thanks to their cardioid polar pattern, these microphones help control room pickup and reduce bleed, while maintaining a clear and focused stereo image.
They are particularly well suited as overheads for drums, on piano, acoustic guitars, strings, percussion, choirs, chamber music ensembles, or for capturing room ambiance. Their ability to handle very high SPL also makes them relevant for dynamic sources (brass, close percussion, drum kits) when precision is needed without fear of distortion.
Technical specifications
| Frequency response | 20 Hz - 20 kHz | Nominal impedance | 150 Ω |
| Sensitivity | -37 dBV/Pa (14,1 mV) | Self-noise | 14 dB |
| SPL max | 164 dB | Connection | XLR |
| Category | wired microphone | Clamp included | Yes |
| Type | studio | Included accessories | Windscreen, transport case, microphone clip |
| Directivity | cardioid | Color | Gold |
| Capsule | static | Weight | 100 g |
| Attenuator | 25 dB | Dimensions (mm) | Ø 20 x 122 |
Questions frequently asked
Is the Shure KSM137-SL STRO suitable for stereo X-Y and ORTF recording?
The two cardioid condenser microphones are matched to ensure consistent response between channels. The adjustable A27M adapter allows for X-Y mounting and ORTF placement at 17 cm with a 110-degree angle.
Which instruments can be recorded with this microphone pair?
The cardioid pattern is suitable for drum overheads, piano, acoustic guitars, strings, and percussion. The maximum SPL of 164 dB also enables close miking of powerful sources such as brass.
What pad and low-cut filter settings are available?
Each microphone includes a three-position attenuator: 0, -15 dB, and -25 dB. The low-cut filter offers settings at 0, -18 dB/octave at 80 Hz, and -6 dB/octave at 115 Hz. These settings help reduce unwanted low frequencies and adapt the level for high SPL sources.
Is phantom power and XLR cables required?
The connectors are XLR type, and no cables are included in the package.
What accessories are included with the stereo pack?
The set includes two A57F clips, two A100WS windshields, one A27M adapter, and a carrying case. Each microphone measures 122 mm in length, 20 mm in diameter, and weighs 100 g.



