10 Best
Sound Amplifier For Spyings
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Product Highlights
- 【great sound quality】 the high sensitivity sensor head adopts new components and advanced technology, so that the penetration force is increased several times, and the sound quality is greatly improved.
- 【high accuracy】 the pipe leak ear listening device adopts advanced technology to effectively filter the noise and detect the situation of the water outlet faster.
- 【wide uses jack】 3.5mm earphone jack can be connected to display spectrum, recording pen, transmitter, wireless equipment, etc. (not included), but also can be inserted into the dual channel lead for direct recording.
- 【long battery life】the wall pipe leakage sound amplifier has a long battery life, with an for android charging interface, and the built in battery can be recharged repeatedly.
- 【multipurpose】 wall pipe leak microphone listen detector can detect heating pipes, fire pipes, water pipes, floor heating pipes, abnormal noises in cars, household pipes, etc.
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Product Highlights
- 【comfortability】 you may feel uncomfortable when you first use it. please don't stop using it, because you will feel comfortable slowly in the next time. it has the advantages of miniature, long battery life, durability, waterproof and sweat proof. so you will like it.
- 【instructions】 before using, first turn to the lowest volume, from the beginning to high-pitch, use the adjusting stick to adjust until you feel comfortable. if not used, please adjust the volume to 1, or remove the battery，so as not to cause battery loss.
- 【super mini size】machine size is 0.65 * 0.54 inches, which can be well hidden in your ears. wire drawing can help you take out the machine. tip: please locate the earplug to fit the ear canal, otherwise it will cause noise.（we will come with three different size earplugs）
- 【gift bundled】 in addition, we will give you a box for you to carry, three earplugs for you to change the most appropriate size. an adjusting rod can adjust the volume.
- 【customer service】i always adhere to the principle of customer first, sincerely hope that every customer can feel our service joyfully. if you have any questions, i also hope you can contact me at any time, and i will answer any questions for you at any time. thank you for liking my product.
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Product Highlights
- 【supports multiple music formats】support sd card, u disk, mp3 format playback,this amplifier has a usb input that allows you to decode mp3, ideal for playing the music you like the most. plug it in and play instantly, suitable for your karaoke and home theater audio system, left and right sound box output connector clip, can be connected to home tv audio, computer audio...
- 【bluetooth5.0】 wireless bluetooth, easy to connect with smart phones, tablets and other bluetooth devices. it also has a usb input. that is, stream the music however you want, enjoying the music with high quality,small simple compact design also for car audio system,home audio, various parties, family gatherings, dance classes, bars, restaurants, night clubs, etc.
- 【authentic hifi stereo amplifier】 with a master volume, a treble adjustment and a bass adjustment, analogically adjustable to control the amplifier. reproduces the world of music in a real way, giving you true hifi sound. built-in transformer and us plug, the 2 channel bluetooth 5.0 stereo amplifier receiver provides 300w x 2 p.m.p.o(peak music power output), which is i...
- 【two microphone input slots】 so many people can sing at the same time. you and your friends will enjoy the fun of singing,the digital amplifier box supports usb 2.0/sd card/fm/microphone input and various external sources rcaaudio input(such as pc/mobile/laptop)
- 【infrared remote control】 infrared remote control. access and perfect communication between the person and the amplifier. its operation is simple and easy to understand, allowing you to do whatever you want， if you have any questions or concerns, please don't hesitate to contact us.
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Product Highlights
- What if you could hear anything you wanted from up to 100 feet away? our newear personal amplifier features a sonic sound for a 50db gain. what that means to you is can hear up to 100 feet! what that really means to you is go bird watching, and that ultimately means to you is pay attention to details in the courtroom. whether you're hard of hearing or you just want a pe...
- Superior performance - this voice enhancer device has new and improved mini earphones. it also offers you a light-weight, belt clip, and is powered by 2 aaa batteries. hear things in a pinch! this personal audio amplifier can be used anywhere as it has superior sound clarity so you can even use it inside or outdoors! 30 hours battery life.
- Unmatched performance! hear everything up to 100 feet away: imagine being able to hear anything from up to 100 feet away? well, if you've been looking for a device that allows you to hear everything, then your search is over! that's because our personal audio amplifier has volume and tone controls which means that you can hear the front door open or hear a conversation ...
- Highly effective built-in microphone: the problem with other hearing devices for hard of hearing is they are inferior quality and have an external microphone. our voice enhancer solves that problem! why? that's because our personal audio amplifier made of top quality construction making it extra durable. it even has a built-in microphone which means you won't lose the m...
- Everything that you need in a voice enhancer device! plus our 100 % satisfaction guarantee: check the reviews and see what other customers have to say! you can be confident that your satisfaction is always our #1 priority and that we'll do everything in our power to make sure you have an excellent customer experience. it's that simple.
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Product Highlights
- 【3.5mm aux input and output】3.5mm aux input and output, snr>100db and thd+n 0.0003%, make it possibility to output not just louder sound, but a sharper and more real stereo sound without distortion
- 【rechargable lithium battery】it adopts a rechargable lithium battery with 2000mah capacity, which allows it to stay working more than 8 hours
- 【mini hifi headphone amplifier】it's a cost-effective gadget to improve sound quality. it is delicate, compact, lightweight, and portable that it can be carry conveniently
- 【aluminum matte surface】fashion design provides you a comfortable handheld feeling while the aluminum matte surface makes it durable
- 【universal compacity】it can remarkably compatible with a various of digital devices, such as mp3 mp4 mobile phone computer
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Product Highlights
- *𝐒𝐮𝐩𝐩𝐨𝐫𝐭 𝟐-𝐒𝐭𝐚𝐠𝐞 𝐆𝐚𝐢𝐧 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧*-----: our esynic professional headphone amplifier rechargeable with two-stage gain switch which enhances the signal input into the amp circuit for optimal performance of the headphones.and support 3.5mm headphone jack input and output.
- *𝐓𝐡𝐞 𝐋𝐚𝐭𝐞𝐬𝐭 𝐍𝐨𝐢𝐬𝐞 𝐑𝐞𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲*-----: our esynic portable headphone amplifier made of the aluminum matte surface makes it more sturdy with no signal interference.great heat-resistance, stable performance durability and high quality ensured. achieve noise reduction, and lossless transmission.
- *𝐞𝐒𝐲𝐧𝐢𝐜 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐇𝐞𝐚𝐝𝐩𝐡𝐨𝐧𝐞 𝐀𝐦𝐩𝐥𝐢𝐟𝐢𝐞𝐫*-----: our esynic headphone amplifier 3.5mm specially designed for headphones, mainly used for high-level and middle-level headphones with 16-150ω delicate, compact, lightweight, and portable that it can be carried conveniently, can output remarkable sound without distortion.
- *𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐒𝐨𝐮𝐧𝐝 𝐐𝐮𝐚𝐥𝐢𝐭𝐲*------: this esynic protable headphone amp snr>100db and thd+n 0.0003%, make it possibility to output not just louder sound, but a sharper and more real stereo sound without distortion. let us be enjoy in the wonderful sound.
- *𝐑𝐞𝐜𝐡𝐚𝐫𝐠𝐞𝐚𝐛𝐥𝐞 𝐋𝐢𝐭𝐡𝐢𝐮𝐦 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐃𝐞𝐬𝐢𝐠𝐧*------:this esynic 3.5mm headphone amplifier items adopts a rechargeable lithium battery with 1200mah capacity, which allows it to stay working more than 5 hours. compatible with a various of digital devices, such as mp3 mp4 mobile phone computer.
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Product Highlights
- Unique design - two ways to wear! best in class for activity or watching tv: want to hear the tv better? then our premium medca pocket sound voice amplifier is designed with secure fit ear buds that can be worn two different ways and fit just about any ear size comfortably. each earbud is detachable and can be used in mono for amplification in one ear or stereo mode bot...
- Up to 30 hours of battery life: our medca personal sound amplifier features an amplifier, headphones, dual earbuds, and aaa battery equalingup to 30 hours of battery life. what that means to you is you'll be able to use this sound amplifier anywhere. what that really means to you'll never have to wonder what you're missing out on by not being able to hear, and that ulti...
- Unmatched performance! hear everything more than 100 feet away: if you've been looking for a high quality personal sound amplifier for adults then your search is over! that's because the medca pocket sound has high quality stereo headphones and a swivel microphone with loud and clear earbuds that offer discreet listening while still including all ambient sounds, which m...
- Only high quality sound: unlike other hearing amplifier devices that offer poor sound quality and clarity. our pocket talker is equipped with matched output drivers that deliver clear and crisp sound, which means that you will be able to hear it all with clarity and control.
- 100% satisfaction guarantee: with medca your health care doesn’t have to be stressful. trying to find a versatile, multifunctional sound amplifier can be difficult when there are very few products out there that offer everything you need with a brand that you can trust. and our promise is that your satisfaction is 100% guaranteed, if not then we’ll do anything and every...
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Product Highlights
- 【 bluetooth 5.0 receiver 】 stereo audio amplifiers built in wireless bluetooth 5.0 receiver, can be connected to various bluetooth devices such as phones, tablets and laptops.
- 【 remote control & lcd display 】 with lcd display on the amplifier. equipped with a remote control, more convenient to remotely control the machine at home or your car.( please remove a plastic isolation sheet at the bottom of the remote control before use.)
- 【 40w + 40w audio power amplifier 】 40w + 40w rated power, 4-16ω impedance, can present audio signals to your passive speakers. audio amplifier for low distortion, accurate reproduction of music, perfect for your karaoke, home theater, acoustic sound system.
- 【 multiple input modes 】 stereo amplifier supports 3.5mm, rca, usb, sd, bt input. plug and play. with separate volume, treble and bass control knobs, you can adjust as you need.
- 【 package list 】 1 x ak-380 power amplifier, 1 x good quality remote control, 1 x radio antenna, 1 x 12v/5a power supply, 1 x user manual.
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