SKU: 90045804121

DAHUA HAP301 Hi-fidelity Pickup

Sale price$450000.00 Regular price$500000.00
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

DAHUA HAP301 Hi-fidelity PickupHAP301 Hi fidelity Pickup > CPU built in audio sampling module, low interference from the hardware > Smart audio crack protection, auto low microphone sensitivity to meet > Adopts wide dynamic range processing technology for the valid audio > High sensitivity microphone, omni directional pickup, clear audio, high > Noise reduction via the algorithm to enhance signal definition. > Auto gain and compensate the human voice frequency. Exaggerates the > It

HAP301

Hi-fidelity Pickup

> CPU built-in audio sampling module, low interference from the hardware
> Smart audio crack protection, auto low microphone sensitivity to meet
> Adopts wide dynamic range processing technology for the valid audio
> High-sensitivity microphone, omni-directional pickup, clear audio, high
> Noise reduction via the algorithm to enhance signal definition.
> Auto gain and compensate the human voice frequency. Exaggerates the
> It can effectively reduce the indoor reverberation resulting from the
> It supports screaming control function and can greatly enhance the
> Built-in high-speed CPU, real-time processing audio signal, low latency.
> Built-in lighting protection, power two-polarity misconnection
> CE, FCC compliance.



Product Data

Performance

Pickup Range

1 square meter–150 square meters (10.76 sq.ft–1614.59 sq.ft)

Audio Transmission Distance

3000 m (9842.52 ft)

Frequency Response

20 Hz–20 kHz

Sensitivity

-38 dB

SNR

85 dB (1 m 40 dB audio source SPL) 52 dB(10 m 40 dB audio source SPL)1 kHz at 1 Pa

Pointing Features

Omni-directional

Gain Adjustment

0 VPP–4.6 VPP adjustable (75 dB sound pressure 1 kHz)

Dynamic Range

106 dB (1 kHz at Max dB SPL)

Distortion

≤0.3% (74 dB sound pressure, A weighted)

Max. Sound Pressure

120 dB SPL (1 kHz,THD 1%)

Output Resistance

25 Ω non-balanced

Output Signal Amplitude

2.5 VPP/-25 dB

Microphone

High-fidelity micro electromechanical system (MEMS) silicon microphone

Signal Processing

Digital NR, reverberation, human voice enhancement, screaming control

Protection

Protection

8kV Air,6kV contact ESD lightening protection, power polarity misconnection protection

Electrical

Drive Capability

Built-in preamplifier circuit

Connection Mode

3 lead wire: (power, audio, public GRD)

Transmission Cable

3-Pin mm² RVVP shielded cable

Power Supply

12V DC (9V-18V)

Power Consumption

0.72W (60mA)

Environmental

Operating Temperature

-20 °C to +60 °C (-4 °F to +140 °F)

Operating Humidity

≤95%RH

Storage Temperature

0°C to +40°C (+32°F to +104°F)

Storage Humidity

≤95%RH

Construction

Color

Metal Silver

Casing

Aluminum alloy

Dimensions

Φ70 mm × 21 mm (Φ2.76 " × 0.83 ")

Net Weight

0.11 kg (0.24 lb)

Gross Weight

0.16 kg (0.35 lb)

Certifications

Certifications

FCC: 47 CFR Part 15,Subpart B:2016
CE: EN 55032:2015(Class B),EN50130-4:2011+A1:2014,EN55024:2010+A1:2015

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90045804121

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4.9 ★★★★★
Based on 1718 reviews
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Verified Purchase
Mr. & Mrs. Us
Louisville, US
★★★★★ 5
Affordable, Clean and does the job.
Size: 36 sqft, Size: 36 sqft
I consumed about 90% of this box doing all doors and the tailgate on a 2000 tahoe. I applied it very liberally inside every door (exteror) panel. We then added an almost equal amount of deadening/absorbing/decoupling foam to the other side of the door (panel side). If you know how many rattles a circa 2000 tahoe GMT800 can have by now, you can appreciate why I added this as a "must" if i were to put some money back into this vehicle. Best sub $150 spent on this mini resto so far, right next to tint. Good quality. Not to thick or thin. Good sized sheets. Seamed to deaden as good as another slightly thicker material i recently used in my F250. My box was delivered with no issues of melting or anything funky. Clean, no major smell before or after and easy to work with. Maybe buy a roller set and wear gloves. Save your hands if your doing inside of panels. Good buy. Will buy more for future projects.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
T
Verified Purchase
Todd G. Teiken
Phoenix, US
★★★★★ 5
Great product
Size: 36 sqft
Easy to apply, made a big difference in sound deadening on side by side. Would definitely purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
B
Verified Purchase
B. Billy
Battle Creek, US
★★★★★ 5
AS GOOD AS ANY OTHER, WORKS GREAT
Size: 36 sqft, Size: 36 sqft
Used this in my 17 RAM 1500. This stuff works great, just as good as S...ss brand that is also sold on here. Same thickness and same tackiness. And this stuff sticks like crazy, once its laid down and rolled onto the surface, it is hard to remove, so I am pretty sure it will stay where I installed it. It is great value, one box was enough to do the whole roof of the truck with a little left over for small spots. I think it took a total of 2.5 boxes to do my whole crew cab, roof, floor and back wall and most of the firewall, and I also added a layer of their .25" foam. I do notice a difference in less outside noise, from wind and road. I will be doing my wife car soon, and this is the product I will be using again, I recommend this.
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Reviewed in the United States on January 14, 2026
A
Verified Purchase
AF_TX
Los Angeles, US
★★★★★ 5
Dyna... who?
Size: 36 sqft
This stuff works great. Fraction of the cost to Dyna.. and just as good. Very sticky. Used in doors, floors and ceiling. Great product and performs flawlessly. I would highly recommend this.
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Reviewed in the United States on March 13, 2026
J
Verified Purchase
Jacob C. Hall
Charlottesville, US
★★★★★ 4
Awesome, inexpensive alternative to name-brands!
Size: 36 sqft
Awesome. Stuck well with alcohol prep and time to let liquid flash-off. Very consistent, piece to piece. Backing peeled easily when desired. Compared to Amazon Basics, the butyl seemed a little thicker (infinitesimally) and stickier, foil was less thick than Amazon Basics. Very good value. Started with my nice car, but after completing project, sound dampened all cars in the immediate family it made such a noticeable difference in sound level and quality of music from soeakers. Recommended!
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Reviewed in the United States on October 21, 2025

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