Description
Product Overview
Key Features
- Purpose-Built for Kick Drums & Bass: Custom-voiced specifically for kick drum port placement, floor toms, bass guitar cabinets, and low-frequency acoustic instruments.
- Large 1.5” Dynamic Diaphragm: Heavy-duty dynamic capsule sealed in a vulcanized internal shock mount to isolate low-frequency rumble and mechanical stand noise.
- Internal Tailored Low-Pass Filter: Features a built-in filter providing low-end extension (60 Hz – 100 Hz) and a presence peak at 4.5 kHz for beater attack, while drastically attenuating frequencies above 8.5 kHz to reject cymbal spill.
- Exceptional Rear Noise Rejection (-40 dB): Cardioid polar pattern provides stellar isolation at 180° off-axis, preventing stage bleed and unwanted bleed from nearby instruments.
- Extreme SPL Capacity (148 dB Max SPL): Handles intense sound pressure levels inside bass drums and in front of high-wattage bass stacks without clipping or mechanical distortion.
- Built-In Swivel Stand Mount: Integrated heavy-duty threaded mount connects directly to standard microphone boom arms and short floor stands.
- Passive Dynamic Design: Requires no phantom power (+48V); connects directly via standard 3-pin XLR.
Heil PR 48 vs. Heil PR 40 (Kick Drum Application) Comparison Matrix
| Feature / Specification | Heil PR 48 | Heil PR 40 |
|---|---|---|
| Application Focus | Dedicated Kick Drum Specialist: Pre-voiced specifically for kick drums and bass cabinets | Universal Wide-Range Dynamic: Flat, full-range response for vocals, kick drums, bass, and broadcast |
| Tonal Voicing & EQ Profile | Pre-shaped sound with boosted sub-bass (60–100 Hz) and beater attack click (4.5 kHz) with top-end cut above 8.5 kHz | Ultra-flat, uncolored, extended frequency response with deep low-end extension down to 28 Hz |
| Frequency Response | 30 Hz – 8.5 kHz | 28 Hz – 18 kHz |
| Polar Pattern | Cardioid | Cardioid |
| Rear Rejection (@ 180°) | -40 dB | -40 dB |
| Maximum SPL Handling | 148 dB | 148 dB |
| High-Frequency Bleed Control | High Bleed Rejection: Built-in filter drops off steeply above 8.5 kHz to block cymbal spill inside kick drums | Full High-End Capture: Captures frequencies up to 18 kHz |
| Mounting Design | Integrated base swivel mount with internal 5/8″-27 threads | Standard cylindrical handheld/stand body (requires mic clip) |
| Impedance | 250 ohms balanced | 600 ohms balanced |
| Weight | 20.33 oz (576.3 g) | 13.5 oz (382.7 g) |
Product FAQs
Question: Should I choose the Heil PR 48 or the Heil PR 40 for miking a kick drum?
Answer: Choose the Heil PR 48 if you want an immediate, pre-voiced kick drum sound with enhanced low-end thump, beater attack, and steep high-frequency roll-off above 8.5 kHz to eliminate cymbal bleed. Choose the Heil PR 40 if you prefer an uncolored, full-range (28 Hz – 18 kHz) response that allows complete control over EQ and can also be used for vocals, broadcasting, and bass cabinets.
Question: Does the Heil PR 48 require phantom power?
Answer: No. The Heil PR 48 is a passive dynamic microphone and does not require +48V phantom power. It plugs directly into standard XLR mixing consoles, audio interfaces, or stage snakes.
Question: Where is the best position to place the PR 48 inside a kick drum?
Answer: For maximum punch and attack, position the PR 48 just inside the resonant head port hole angled toward the point where the beater strikes the batter head. Placing it deeper inside increases beater click, while placing it near the port hole increases low-end weight.
Question: Can the Heil PR 48 be used on other instruments besides kick drum?
Answer: Yes. In addition to kick drums, the PR 48 excels on floor toms, electric bass guitar speaker cabinets, upright bass, and other low-frequency, high-SPL instruments.
Question: Does the PR 48 have sub-sonic frequencies?
Answer: Yes. The PR 48’s frequency response captures frequencies lower than human hearing, which create the types of low frequencies that can be felt during live sound events.
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