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12 Results Found For "noise"
4O3A NC-1 Noise Canceling Bluetooth Headphones
4O3A NC-1 Noise Canceling Bluetooth Headphones (O3A-4O-NC-HP) feature an amazing range of capabilities: - Crystal Clear Sound — 40mm neodymium drivers ensure the highest quality sound, allowing you to hear even the slightest detail, whether in a contest or while listening to music. The frequency response is flat with a slight boost in the bass area for maximum enjoyment. - Excellent Ambient Noise Canceling — The NC-1 Headphone noise canceling system is top of the line. Using a two microphone system, this is one of the best available on the market. With up to 25dB of noise reduction, experience real silence for the first time in your life! - Bluetooth 5.0 for Android and Apple mobile devices, laptops, tablets, PC and interfaced radios. Even though it's not an essential contesting feature, 4O3A includes the latest Bluetooth 5.0 chipset for listening comfort and mobility. More often than not the modern gadgets lack an Aux connector. . - Long life 750mA rechargeable Li-Ion battery -Includes a zipper case, USB A to USB C charge cable and an extra pair of ear cushions. Note: The MC-1 Boom Mic is an option that is sold separately.
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$321.99
4O3A NC-1 Noise Canceling Bluetooth Boom Mic Headsets
4O3A NC-1 Noise Canceling Bluetooth Boom Mic Headsets are top-of-the-line Headphone Boom Microphone combinations that are designed primarily for contesting, but also work perfectly for everyday use. The NC-1 are light and comfortable over-the-ear headphones that makes using them a truly enjoyable experience. With advanced Bluetooth capability, amazing audio reproduction and external and built-in microphones, this is also an excellent multi-purpose headphone for mobile phone and multimedia use. The contesting team at 4O3A in Montenegro couldn't find the perfect headset, so they designed their own. Now sold by DX Engineering as O3A-4O-NC-1, this headset combination consists of two parts, the NC-1 Headphone Set and the MC-1 Boom Mic Set, both available separately. A All features and specs appear on each part detail page. +++ NC-1 Noise Canceling Bluetooth Headphone Set (O3A-4O-NC-HP) - Excellent Ambient Noise Cancelling - Crystal Clear Sound - Bluetooth 5.0 for Android and Apple mobile devices, laptops, tablets, PC and interfaced radios - Long life 750mA rechargeable Li-Ion battery - Includes a zipper case, USB A to USB C charge cable and an extra pair of ear cushions. +++ MC-1 Boom Mic Set (O3A-4O-NC-MC-1) - Versatile affordable plug-in condenser boom mic with universal 3.5mm mic and headphone cables - Works for all transceivers (with optional adapters) and plugs into laptops, tablets and PC - Superior vocal clarity with a wide, flat frequency response - Includes soft case, 3.5mm to 6.35mm adapter and two boom mic windscreens.
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$393.98
bhi DSP Noise Cancelling In-Line Modules
bhi DSP Noise Cancelling In-Line Modules eliminate noise and interference to let you hear more clearly! This new audio DSP unit cleans up noisy signals and works on most radios and receivers. It comes with the latest bhi DSP noise cancelling technology—which brings improved audio quality to the listener when operating in noisy conditions across all radio bands. The audio is clearer and more intelligible as a result. It's very easy to connect the In-Line Module between your radio and external speaker with the included 3.5mm male mono patch cable. This model delivers plenty of clean, noise-free audio with its 5W audio amplifier. The speaker output is muted when headphones are connected to the mono headphone output jack. When the unit is switched off, the audio bypass feature routes the signal directly through to the loudspeaker. bhi In-Line Modules provide simple control of all features. Their three-position switch turns the unit on and switches the noise cancellation on and off. The "Status" LED illuminates red when power is applied and changes to green when the noise cancellation is active. Set the radio AF gain to provide an audio input level that does not flash the overload LED. An audio output control adjusts speaker or headphone levels. Also included are a User Manual and four small rubber feet, plus the previously mentioned 3.5mm male mono patch cable for connection to your radio and a fused 2.1mm DC power lead. This unit may be powered by a user-provided 10 to 16V DC power supply or optional wall supply, BHD-PSU12-2A-WW. bhi In-Line Module features and specs: - Eight noise cancelling levels, 8 to 40dB - Tone reduction up to 65dB - 5W audio amplifier - Audio input overload indicator - Status LED indicates power and DSP operation - Audio bypass feature when switched off - Speaker output connection 3.5mm mono jack - Headphone 3.5mm mono jack - DC Input: 2.1mm center positive, requires 10 to16V DC @ 500mA min. - Dimensions, WHD: 5.315 x 2.559 x 1.811 in. (135 x 65 x 46mm) - Weight: 10.6 oz. (0.3kg)
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$275.99
West Mountain Radio CLRstereo ClearSpeech® Dual Noise Reduction DSP
West Mountain Radio CLRstereo ClearSpeech® Dual Noise Reduction DSP – an extremely effective tool for improving communication clarity. Dynamic DSP noise reduction adapts to changes in the interference and signal. It passes voice and CW while attenuating atmospheric noise, hum, hiss, whistles, and static. It effectively removes heterodynes, ignition noise, lightning crashes, power line noise. QSO's are more fun without all the background noise. The DSP recognizes the intermittent nature of CW and allows it to pass noise free. CLRstereo features independent "Left" and "Right" channels, each with DSP filter level, Tone and Volume (audio level) controls and a red "CLIP" LED to indicate when that channel input level is too high. Next to the front panel toggle Power switch is a green LED to indicate powered condition. CLRstereo can process two channels simultaneously, for use with two separate radios or with a radio that features two separate receivers, such as Main and SUB. Please note that the CLRstereo does not contain a power amplifier. While the output is sufficient for a headphone or low level speakers, the CLRstereo is intended to be connected to an amplified speaker system. Specification of the CLRstereo ClearSpeech® Dual Noise Reduction Digital Signal Processor: - Enclosure: Metal, powder coat painted - Dimensions (WHD): 7.25 x 1.5 x 3.5 in. - Input: 1/8 in. (3.5 mm) stereo female (TRS) - Output: 1/8 in. (3.5 mm) stereo female (TRS) - Power Input: USB or 2.1 mm, center positive - Power Requirements: USB power or 9 to 15 Vdc, 212 mA typical - Audio Output, max.: 2 V p-p into a high impedance load; 560mVpp into 8 ohm input - Clipping Level: 585 mV p-p (volume control full clockwise) - Noise Reduction: Adaptive, single tone greater than 50 dB
Not Yet Reviewed
$349.95
bhi DSP Devices
bhi Ltd designs and manufactures digital signal processing (DSP) noise cancellation products including inline units and modules. They are some of the best electronic noise elimination devices currently available! bhi DSP Devices remove unwanted background noise and interference from noisy voice and radio communication channels to leave clear, intelligible speech. Used in a number of radio-related and voice communication markets, all bhi products incorporate unique, patented DSP technology to enable clear communications in noisy environments. Shop DX Engineering for your bhi products! Their company name is bhi - all lower case. bhi Limited is a UK business entity. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information.
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$289.99
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$291.99
bhi Ltd DSP Speakers
bhi Ltd designs and manufactures a range of Digital Signal Processing (DSP) noise cancelation products that remove unwanted background noise and interference from noisy voice and radio communication channels. bhi Ltd DSP Speakers are the absolute best noise elimination speakers currently available! bhi Ltd DSP noise cancelation speakers remove unwanted background noise and interference from noisy voice and radio communication channels to leave clear, intelligible speech and CW signals. Aimed at a number of different radio-related and voice communication markets, bhi products all incorporate unique, patented, DSP technology to enable clear communications in noisy environments. Shop DX Engineering for your bhi products! Their company name is bhi; all lower case. Therefore, bhi Ltd means bhi Limited, a UK business entity. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information.
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$339.99
SOTAbeams WOLF-100 WOLFWAVE Advanced Audio Processor
SOTAbeams WOLF-100 WOLFWAVE Advanced Audio Processor is a powerful tool for demanding communications applications. Adaptive DSP noise reduction, audio band pass filtering, Morse decoding and automated hearing loss correction are only four of the tasks this incredible device can accomplish. A rotary-encoder, with push-to-set control, accesses adjustments and simple menu system selections on the attractive OLED screen, which also provides a spectral display of the real-time audio passband. WOLFWAVE uses a high performance 32-bit ARM Cortex M7, the highest performance processor of the energy-efficient ARM M-series. This fantastic DSP processing power is paired up with a 20-bit CODEC (analog to digital - digital to analog conversion) and a 1.6 watt amplifier for superb audio performance. So easy to use and so amazing to hear, this in-line audio unit simply connects to the headphone jack of any radio. Connect your headphones or an external speaker to WOLFWAVE and transform your radio listening experience. Here are some of the very useful, menu-selectable functions and features of WOLFWAVE: -Fully adjustable audio band pass filtering from 50 Hz to 5 kHz - instantly adjustable for voice, data and CW -Bright, clear, real-time audio spectrum display to see what's happening in your radio passband -State-of-the-art adaptive DSP noise reduction with 100 levels plus advanced control functions -Morse Decoder – CW Reader added in firmware update – click "More Details" for the WOLFWAVE Firmware page link -Adaptive DSP tone eliminator gets rid of annoying carriers, but leaves the CW -Age-related hearing loss correction using ISO 7029:2017 median hearing-loss curves for males or females – menu selectable -One-touch bypass function to instantly hear the comparison improvement by WOLFWAVE -Memories to easily store and recall your favorite settings -Audio test generator including two-tone test mode, sine, square and triangular wave -Experimental CW regenerator to enjoy noise-free CW QSOs -On-screen help and menu system that is so easy to use -Tuning/Overload dual color LED indicator for easy tuning and input level adjustments -User updatable firmware by USB to keep up with the latest WOLFWAVE developments -Separate speaker and headphone outputs are excellent for exhibition stations -Speaker output: 1.1 Watts @ 10% THD [speaker output must not be grounded -Headphones operation supported with 5Vdc USB power from laptop or USB power pack -Full output power for speaker operation achieved from 7 to 18 Vdc external input -2.1 mm jack for DC power input (13.8 Vdc power supply sold separately) -Low quiescent current drain of only 60 mA; battery-friendly! -Small size (WHD) 4.13 x 3.15 x 1.06 in. (105 x 80 x 27 mm) -Lightweight: 3.5 oz. (140 g) -WOLFWAVE is supplied with one USB A to USB micro-B data power cable and one Audio patch cable with 3.5mm plugs Click "More Detail" for additional information on all of the features of this groundbreaking device. Order your WOLFWAVE Advanced Audio Processor from DX Engineering – the exclusive SOTAbeams North America dealer.
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$409.99
Heil Sound PRO 7 Headsets
Heil Sound PRO 7 Headsets are aviation-style headsets designed for exceptional comfort and performance. A true dual channel, stereo headset, the PRO 7 Series features an audio balance control which allows the user to adjust the level of the left earphone to match the right. A unique phase-reversal switch greatly helps the listener "dig out" weak signals. These headsets will help you work the DX! The flexible gooseneck mic boom on PRO 7s may be rotated for use on either the right or left ear. Two versions are available, depending on whether you require an electret or dynamic microphone element. Heil PRO 7 headsets are available in black, red, and blue. Purchase an AD-1 series Headset Adapter Cable (sold separately) for a simple connection to the transceiver mic input. The adapter is 6 in. long and has a 1/8 in. female input jack for the headset boom microphone—and a 1/4 in. female for the PTT (push to talk) line for the Heil foot or hand switch. The headset stereo plug goes into the headphone jack on the transceiver front panel. Check out these cutting-edge details: * The most comfortable-to-wear headset…ever * Adjustable stainless steel headband * Specially designed foam-gel ear pads provide 26 dB PNR outside noise reduction - an space set of ear pads are included * Washable cotton cloth 'booties' cover the ear pads * 40 mil high-response speakers produce extremely clear voice articulation * Acoustically dampened speaker enclosure * Negative 3 dB points set at 80 Hz to 12 kHz * Speaker balance control adjusts level between the two speakers * Full Stereo, two channel reception, perfect for Dual-Watch receiving systems * Military spec cable system using 6-pin mini XLR and fiber reinforced cable * Connects to standard Heil headphone adapters * Two types of military grade cables are included: straight and coiled * Detachable cables with comfortable 'Soft Touch' in-line 2 in. diameter PTT * 1 in. thick, 6-section foam headband for maximum comfort * Interchangeable HC 7 dynamic OR Heil iC condenser mic element * Heil's EXCLUSIVE Speaker Phase reversal helps to 'dig out' the weak signals Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information. Everyone knows about Heil Sound quality. Heil Sound's PRO 7s continue the innovation for which Heil Sound is also world renowned. Order your own Heil Sound PRO 7 Headsets from DX Engineering and enjoy the comfort, quality and features you deserve!
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$349.00
bhi ParaPro EQ20 Parametric Equalizers
bhi ParaPro EQ20 Parametric Equalizers give you the opportunity to customize the sound of your received audio and boost the audio power to your speakers. Delivering a total of 20 watts of audio amplification, EQ20 Parametric Equalizers are excellent for any radio. Adding the ability to tailor the received audio for your speakers AND your ears is extremely helpful for improving intelligibility, and increasing the enjoyment of listening to your radio! Four EQ20 model variations provide your choices, from either a basic Parametric Equalizer audio amplifier unit, or a model that includes DSP filtering or Bluetooth input capabilities, or both! BHD-EQ20 – ParaPro EQ20 Parametric Equalizer BHD-EQ20B - ParaPro EQ20 Parametric Equalizer with Bluetooth BHD-EQ20-DSP - ParaPro EQ20 Parametric Equalizer with DSP BHD-EQ20B-DSP - ParaPro EQ20 Parametric Equalizer with DSP and Bluetooth These units are also perfect on mobile radios or for boosting the audio performance of older rigs with lower audio output. A parametric equalizer allows user is able to adjust any specific part of the frequency range to be selected and adjusted in strength. This gives you greater flexibility and accuracy to set the audio to suit your own hearing. Additionally, the Digital Signal Processing (DSP) versions of the EQ20 remove unwanted noise from received signals by applying a special audio-processing digital algorithm that seeks the noise and eliminates it! The Bluetooth versions of the EQ20 provide additional functionality to your speaker system, including listening to audio from a mobile phone, laptop or digital device equipped with Bluetooth. Here are the features of the bhi EQ20 Parametric Equalizers: * Parametric equalizer lets you shape the audio to suit your hearing * Accepts mono, stereo or two separate audio channel inputs via 3.5mm jacks * Class-D high-efficiency audio amplifier eliminates large heatsink * 10W audio per channel * Use with your passive speakers * 4mm banana jack or phono jack output connections * 3.5mm stereo headphone output (Class AB) * DSP versions have two independent channels of bhi noise cancelling * Bluetooth versions add wireless input for listening to a Bluetooth enabled mobile device or laptop * Easy to use controls * Microprocessor controlled functions * Signal input overload feature * 12V DC operation (3A) At a total of 20 watts of power these audio amplifiers drive larger communications speakers to their full potential. The EQ20 Parametric Equalizer controls afford audio tailoring that helps to compensate for receiver or speaker weaknesses. Choose models with the exceptional bhi DSP noise reduction technology and Bluetooth input for a truly winning combination! Get the most from your receiver and companion speakers. Order bhi ParaPro EQ20 Parametric Equalizers from DX Engineering and give your speakers some serious drive!
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$295.99
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$499.99
Headset and Foot Switch Packages
DX Engineering Headset and Foot Switch Packages are a great combination to move your operation away from an open speaker and local desk or hand microphone. Simply choose your headset and/or headset color and the accompanying foot switch is your Push to Talk! DX Engineering foot switches are a great match with high-quality Heil Sound headsets. A radio-specific headset adapter cable is required to properly connect the headset and foot switch to your transceiver. There are too many different transceivers to make Headset and Foot Switch Packages for each one! Search Headset Adapter Cables on this web site to find the right one for your transceiver. Headsets provide a convenient way to limit ham shack noise and produce quality, consistent transmit audio. Get on the headset bandwagon with DX Engineering Headset and Foot Switch Packages. * Important Note regarding DX Engineering Protection Plans and Kit Combo Contents Protection plans cannot be purchased for combination packages or on applicable devices after shipment. DX Engineering Combination Kits and Packages are designed to help you easily visualize and order the right items for your specific needs. However, we encourage you to contact our experienced Technical Sales Team for assistance. We can help adjust the kit contents, suggest substitutions based on stock availability, and offer DXE Protection Plans for radios and devices when applicable. Contact us for Expert assistance and make informed purchasing decisions with our guidance.
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$294.99
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$450.99
HamSet QC25 DX Boom Mic Headsets
HamSet QC25 DX Boom Mic Headsets are specially produced for a sharper, punchier sound for DXing and contesting. HamSet headsets are constructed with a carefully selected used Bose® QC25 Quiet Comfort Acoustic Noise Cancelling Headphones. Each one is completely refurbished to an "as new" condition, with every surface thoroughly cleaned. New parts are added as required and ear pads are always replaced with a new pair, and both the cable and microphone are brand new. Modified with a new, permanently mounted boom microphone, the DX Dynamic version contains a full-range dynamic element that is tuned to cut through pileups, with accentuation in the vocal range from 1 kHz to 5 kHz. This rigorous process guarantees a product that feels and performs just like new. • The Bose® QC25 HamSet is an essential radio tool, with an Acoustic Noise Cancelling System that does not cause annoying audio feedback. The Bose® brand guarantees unparalleled clarity and precision of sound, especially in CW mode. • The Bose® QC25 HamSet sets the bar for functionality with a high-quality, lightweight boom microphone, compatible with all major radios*, enabling operations in all bands and modes. A new RF-proof connection cable prevents interference and distortion, even at high transmit power. • The Bose® QC25 HamSet is comfortable: you can wear it for an entire 48 hour contest without experiencing the slightest ear discomfort! HMT-HAMSETQ25-DX Includes: - Specially tuned HamSet Dynamic DX Boom Microphone Element (150-10,000 Hz) - Bose® QC-25 Refurbished Noise Cancelling Headphones - Original or Refinished Bose® speaker shells - Soft Braided Cord, 5 ft. 3 in. (1.6 m) - Headphone Adapter (3.5mm to 6.35mm) - New Bose Carry Case - Original Cardboard Box *HamSet requires one Heil AD-1 series Headset Adapter Cable that matches your transceiver, sold separately. Use the Recommended Parts listing above. NOTE: The HAMSET-Q25-DX has one stereo (TRS) 3.5mm plug (and 6.35mm adapter) which is only for the transceiver's headphone jack. The mono (TS) 3.5mm plug is the microphone, which must be connected to the transceiver with a Heil AD-1 series Headset Adapter 3.5mm mic jack. DO NOT swap these plugs!
Not Yet Reviewed
$455.99
HamSet QC25 LR Boom Mic Headsets
HamSet QC25 LR Boom Mic Headsets are specially produced to replicate the standard operating headset at the K3LR contest station, offered exclusively by DX Engineering. HamSet headsets are constructed with a carefully selected used Bose® QC25 Quiet Comfort Acoustic Noise Cancelling Headphones. Each one is completely refurbished to an "as new" condition, with every surface thoroughly cleaned. New parts are added as required and ear pads are always replaced with a new pair, and both the cable and microphone are brand new. Modified with a new, permanently mounted boom microphone, the -LR version contains a full-range dynamic element chosen for the K3LR contest station. This rigorous process guarantees a product that feels and performs just like new. • The Bose® QC25 HamSet is an essential radio tool, with an Acoustic Noise Cancelling System that does not cause annoying audio feedback. The Bose® brand guarantees unparalleled clarity and precision of sound, especially in CW mode. • The Bose® QC25 HamSet sets the bar for functionality with a high-quality, lightweight boom microphone, compatible with all major radios*, enabling operations in all bands and modes. A new RF-proof connection cable prevents interference and distortion, even at high transmit power. • The Bose® QC25 HamSet is comfortable: you can wear it for an entire 48 hour contest without experiencing the slightest ear discomfort! HMT-HAMSETQ25-LR Includes: - Special K3LR/HamSet Standard Dynamic Boom Microphone Element - Bose QC-25 Refurbished Noise Cancelling Headphones - Original Bose speaker shells - Coiled Cord, 16.4 ft. - Headphone Adapter (3.5mm to 6.35mm) - New Bose Carry Case - Original Cardboard Box *HamSet requires one Heil AD-1 series Headset Adapter Cable that matches your transceiver, sold separately. Use the Recommended Parts listing above. NOTE: The HAMSETQ25-LR has two 3.5mm stereo (TRS) plugs. The gold stereo (TRS) 3.5mm plug (and 6.35mm adapter) is only for the transceiver's headphone jack. The silver stereo (TRS) 3.5mm plug is the microphone, which must be connected to the Heil AD-1 series Headset Adapter 3.5mm jack. DO NOT swap these plugs!
Not Yet Reviewed
$435.99