Apple 2018 13.3in MacBook Air, Mac OS, Intel Core i5, 1.6 GHz, Intel UHD Graphics 617, 256 GB, Gold (Renewed)

[HiFi Stereo AMP]This Dual channel stereo digital amplifier offer 100W+100W peak power and 30W+30W rated power, with 12V 5A power supply to connect the devices. [Bluetooth 5.0] Built-in bluetooth 5.0 core, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound. (NOTE: Please keep the distance within 30ft/10m between the device and amplifier without any wall blocking. But if you are connecting whith TV or PC devices, please keep the distance within 15ft/5m.) [USB 2.0/SD Card Input]The sound amplifying mixer device features a USB/SD card input to support flash drives or SD card. Allows you to play your favorite audio files from your computer's media library when you connect it directly to the amp. [Bass & Treble Control]Designed with volume, treble and bass control knobs for more delicate adjustment of the sound, much fun and high playability. Include controller for distant audio adjustments. Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use. [Wide Application]Compatible with mobile phones, computers, tablets, notebooks, TVs and projectors with AV audio etc. Recommend for home TV audio, computer audio system-game, tower Speaker, garden speaker. Small simple compact design also for car audio system.

【300W POWER】Daakro AK45 Digital Audio Amplifier Fully upgraded design, 300W+300W peak power and 40W+40W rated power, perfectly suitable for 4-16 inch passive speakers.This little BT amplifier which is perfect for karaoke, home theater, and acoustic sound systems. It's great for small apartments, bedrooms, offices, basements, and garages. Its compact size design fits easily into your bookshelf or A/V cabinets. 【Wide Application】Compatible with mobile phones, computers, tablets, notebooks, TVs and projectors with AV audio etc. Recommend for home TV audio, computer audio system-game, tower Speaker, garden speaker. Small simple compact design also for car audio system. Warm Tip] Please note that the Daakro DJ20 mixer is not a professional grade audio mixer, but an audio console suitable for beginner or intermediate podcasters. Ideal for podcasting, live streaming, YouTube, Twitch, studio music recording, DJing, and more. Due to the complexity of the product's use and buttons, you may encounter some problems during the use, please refer to the guide/video on the page, if you have any questions, please contact us, we will provide you with answers from profession [Excellent Performance with Superior Preamp] DJ20 audio mixer built-in a premium preamp,support 48V phantom power for optimal performance of XLR microphones. While 48V phantom power brings the condenser microphone to life. The 32-bit high-performance DSP chipset and DENOISE function provide clearer sound. [Enhance Live Streaming Atmosphere] Game Audio Mixer supports three pre-recorded customized buttons, which can be recorded and activated by simply pressing the button, thus saving more post-production time. Eight built-in effects such as applause, laughter, cheers, etc. and a voice change button allow you to engage your audience in an entertaining and interactive way. Our digital audio workstation controller lets you upload your favorite audio for podcast recording from your smartphone, computer

【Cardioid Dynamic Karaoke Microphone】This handheld dynamic microphone features a cardioid pickup pattern captures source signal such as guitar amplifier or vocalist, while shunning off-axis sound minimizing background noise & feedback reproducing audio without interference from instruments or speakers on stage.It is perfect for live recordings or performances. 【Sturdy and Reliable】this handheld microphone is made of zinc alloy,it is sturdy and durable, not easily corroded by liquids, and comes with a switch. The mesh grille with built-in noise-proof cotton effectively eliminates wind noise and popping sounds.The microphone's shape and size are suitable for hand grip.You will be glad to move freely as the attached cable is around 16.4ft long, no need to worry the loose of the connector or the length of the cable. 【Easy to Operate】This wired microphone operates without the need for batteries, plug and play.It is equipped with an external switch for easy audio control (push up to turn on, push down to turn off). When not in use, you can simply use the switch to turn off the microphone without unplugging the cable. 【Wide Compatibility】The dynamic wired microphone comes with a 1/4"(6.5mm) to 1/8"(3.5mm) TS connector for fitting more devices.Fully supports various devices which has 1/4" or 1/8" Mic input, such as DVD, television, KTV audio, reverberator, mixer, tour bus, etc. ( Note: only supports keyboard piano with mic in jack, not available for headset output.) 【Suitable for Various Settings】The dynamic cardioid microphone delivers an low distortion for clean sound output, precise reproduction of speech and vocals with excellent intelligibility.This karaoke microphone system is ideal for professional KTV, stage performances, business meetings, public speaking, family or friend gatherings, outdoor performances, and more. Whether you are a beginner or a professional user, this microphone is suitable for all.

[Dual TPA3116D2 HiFi Chip]Daakro ZK-TB21 Bluetooth Amplifier Board uses the original imported TPA3116D2 HiFi amplifier chip with PurePath technology for ultra-high resolution, ultra-low distortion and high-fidelity sound quality. Supports 2.1-channel configuration, including left channel, right channel and subwoofer output. The left and right channels each provide 50W output power, and the subwoofer can reach a maximum output power of 100W, creating an immersive sound experience. [Dual Audio Input Modes] This amplifier board integrates AUX and Bluetooth 5.0 input methods. You can seamlessly connect with the latest Bluetooth 5.0 technology and enjoy the convenience of wireless, or you can choose the traditional AUX input connection to access the audio source. The vast majority of devices can be used, such as mobile phones, TVs, laptops, etc. It is very easy to connect and use, enjoy the fun of music. [Wide Application]The Daakro ZK-TB21 amplifier board supports a wide input voltage range from 12V to 24V DC, and can be powered by 12V, 15V, 18V, or 24V. This adaptability ensures that you can easily find the right power source. The board is suitable for 30-200W, 4-8Ω speakers, and can be perfectly matched with speakers of all sizes. This means you can choose the right power supply and speakers according to your actual needs. [Comprehensive Protection]The Daakro ZK-TB21 Bluetooth Amplifier Board has a comprehensive built-in protection mechanism, including over-voltage protection, under-voltage protection, over-temperature protection, short-circuit protection and reverse connection protection. These smart protection features ensure that your device is protected in every situation, so you can enjoy your music with confidence. [Optimal Power Matching]Note that optimal audio output requires the correct combination of adequate audio input with appropriate power supply voltage and current. Different loudspeaker impedances affect relative sound power. A loudspeaker with a higher impedance will produce less relative sound power with sufficient voltage and current. Please be aware of these factors to optimize your audio experience.