
HZS-SM81 Professional Pencil Condenser Microphone Pair for Studio Recording and Live Sound
Product Overview
The Haozhiseng Audio HZS-SM81 is a professional pencil condenser microphone designed for recording studios, broadcast facilities, live performances, orchestral recording and other demanding audio applications.
Featuring a pressure-gradient transducer and a wide 20 Hz–20 kHz frequency response, the HZS-SM81 captures instruments with clear detail and balanced tonal reproduction. Its low-noise design, stable performance and compact metal body make it suitable for both studio recording and live sound reinforcement.
Omnidirectional, cardioid and supercardioid versions are available to meet different pickup and sound-isolation requirements. The microphone set includes two microphones, two adjustable clips, two foam windscreens and a protective carrying case.
Key Features
- Professional pencil condenser microphone
- Wide 20 Hz–20 kHz frequency response
- Omnidirectional, cardioid and supercardioid options available
- Pressure-gradient transducer design
- Maximum sound pressure level of 120 dB SPL
- Low-noise performance with a 70 dB(A) signal-to-noise ratio
- Wide 7–52 V operating power range
- Compact 19 mm diameter metal body
- Standard 3-pin XLR connection
- Suitable for stereo and overhead recording
- Supplied with microphone clips, foam windscreens and carrying case
Available Polar Patterns
Omnidirectional
Captures sound evenly from all directions, making it suitable for room ambience, ensembles, orchestras and natural acoustic recording.
Cardioid
Focuses on sound from the front while reducing pickup from the rear. Ideal for studio instruments, stage applications and general-purpose recording.
Supercardioid
Provides a narrower pickup area with increased rejection of surrounding sound, making it suitable for demanding live environments and applications requiring greater isolation.
Polar-pattern availability depends on the selected HZS-SM81 version.
Professional Recording Performance
The HZS-SM81 provides a full-range frequency response from 20 Hz to 20 kHz, allowing it to capture low-frequency body, clear midrange detail and natural high-frequency response.
With a maximum SPL of 120 dB, it can be positioned close to many acoustic instruments while maintaining clean, controlled sound reproduction.
Compact Pencil Design
With a body diameter of only 19 mm and an overall length of 160 mm, the HZS-SM81 is easy to position in compact recording setups. Its slim profile makes it especially suitable for stereo recording, drum overheads, hi-hat, acoustic instruments and stage applications where space is limited.
Included Accessories
- 2 × HZS-SM81 condenser microphones
- 2 × Adjustable microphone clips
- 2 × Foam windscreens
- 1 × Protective carrying case
Applications
- Recording studios
- Broadcast studios and radio stations
- Live performances
- Drum overheads and hi-hat
- Acoustic guitars
- Pianos and keyboards
- String and wind instruments
- Percussion instruments
- Choirs and orchestras
- Stereo recording
- Room ambience recording
- Houses of worship
Technical Specifications
| Item | Specification |
|---|---|
| Model | HZS-SM81 |
| Microphone Type | Condenser |
| Acoustic Operating Principle | Pressure-Gradient Transducer |
| Available Polar Patterns | Omnidirectional / Cardioid / Supercardioid |
| Frequency Response | 20 Hz–20 kHz |
| Sensitivity | −44 dBV/Pa ±3 dB, cardioid |
| Maximum SPL | 120 dB SPL at 0.5% THD |
| Signal-to-Noise Ratio | 70 dB(A) |
| Output Impedance | 200 Ω |
| Operating Power | 7–52 V |
| Maximum Current Consumption | 2 mA |
| Connection | 3-Pin XLR |
| Dimensions | Ø19 × 160 mm |
| Body Finish | Champagne Silver |
Why Choose the HZS-SM81?
The HZS-SM81 combines a wide frequency response, multiple polar-pattern options and a compact pencil-style body in a versatile professional condenser microphone. Its low-noise performance and ability to handle sound pressure levels up to 120 dB make it suitable for detailed studio recordings and reliable live sound applications.
Supplied as a practical two-microphone set with clips, windscreens and a protective carrying case, it provides a convenient solution for stereo recording, drum overheads, acoustic instruments and professional sound production.