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HL-21 uses a wired back-electret transducer and super-cardioid pattern for compatible meeting and speech systems. Its published reference pickup distance is 20–50 cm, with 80 Hz–13 kHz frequency response.
HL-21 uses a wired back-electret transducer and super-cardioid pattern for compatible meeting and speech systems. Its published reference pickup distance is 20–50 cm, with 80 Hz–13 kHz frequency response.
| Model | HL-21 |
| Receiving method | Wired |
| Transducer | Back-electret condenser |
| Polar pattern | Super-cardioid |
| Power supply | Two No. 5 cells |
| Sensitivity | -45 dB (1 kHz, 0 dB = 1 V/Pa) |
| Maximum SPL | 115 dB (1 kHz, distortion <1%) |
| Equivalent noise level | 22 dB(A) |
| Signal-to-noise ratio | 72 dB |
| Frequency response | 80 Hz–13 kHz |
| Output impedance | 600 Ω |
| Reference pickup distance | 20–50 cm |
| Stated cable | 4 m cable with 6.35 mm plug |
| Additional stated feature | Not stated |
| SKU | E10022 |
Suitable for evaluation in compatible meeting rooms, lecture spaces, reception desks and presentation systems. Confirm the power method, 6.35 mm input compatibility, cable routing and required quantity.
Contact ELEGAUDIO for pricing, order quantities, availability, packing details and project requirements. Include destination market, quantity and intended application.
What pickup pattern is stated?
Super-cardioid.
What is the reference pickup distance?
20–50 cm.
How is it powered?
Two No. 5 cells.
What must buyers confirm?
Confirm connector, power arrangement, cable length, packing and target audio system.
Request current pricing, availability and order support.
GET A QUOTEOEM and ODM options depend on the model and quantity. Send your logo, packaging requirements, destination market and expected order quantity for confirmation.
Send the model name, quantity, country and intended application. ELEGAUDIO will confirm the current product version, available documentation, MOQ, price and lead time.
Sample availability varies by model. Contact us with your evaluation requirements so the correct configuration can be confirmed before shipment.