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[400 Watts of Power] This is a multi-function home stereo amplifier, compact and powerful, that provides 60W + 60W rated power and a maximum output of 400W + 400W. You can enjoy clear and crisp sound with the stereo effect from this small amplifier, which is ideal for karaoke, home theater, and acoustic sound systems. It is suitable for small apartments, bedrooms, offices, basements, and garages. With its compact design, it can fit easily into your bookshelf or A/V cabinets. [Various Input Options] Connect your music streaming devices such as PC, mobile, or laptop via Bluetooth, RCA, or MIC input. It also supports USB, SD/TF card ports, and FM radio. You can enjoy your music the way you want to. (Note: Please keep the distance within 16.4 ft/5m between the device and amplifier without any wall blocking. If you are connecting with PC devices, please keep the distance within 6.5 ft/2m.) [Hi-Fi Amplifier] Designed for those seeking high-fidelity sound quality, this amplifier features 2 enhanced audio processing chips and powerful sound processing technology for low distortion output and high-fidelity sound quality. Treble, bass, and echo can be adjusted according to personal preference. The equalizer optimizes the sound for better output through a speaker or subwoofer. [With MIC Jack and Echo] This KS-33BT Bluetooth stereo audio amplifier is also a karaoke amplifier and not just a hi-fi amplifier. The amplifier, with 2 mic jacks and an echo function, is ideal for karaoke or announcements. You can sing with friends, and it is also possible to achieve the echo effect with our amp. You only need to connect the mic to our amp and adjust the echo knob to get the reverb effect that you want. [Digital LED Display] The integrated receiver for home stereo features an FM radio with a built-in LED display and front-panel audio control center. The HD LED display shows input mode, track and folder names. The package comes with an FM antenna and a remote control for long-distance audio adjustments. (The remote control can remotely control the volume of MP3/BT/FM.)

【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 environmentally friendly materials,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 6.5ft 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.

[Cardioid Dynamic Karaoke Microphone]Wired microphone with cord for karaoke features a cardioid pickup pattern for capturing source signal and minimizing background noise and feedback reproducing, ensures clear and warm vocal sound without distortion,which makes the handheld DJ microphone corded remarkable for presentation, wedding, conference, church, interview and solo performances stage. [Flat, Wide Range Frequency][The smooth frequency response is solid from 55 to 15.5 kHz. The 1/4" karaoke microphone is well suited for handling high sound pressure levels. 1/4'' plug-in microphone is tailored for spoken word, various instruments such as acoustic guitar. With no power requirements, the dynamic vocal microphone is the ideal choice for all live applications. [Optimal Speech Intelligibility]Such karaoke microphone system for adults, the vocal microphone wired provides a low distortion:-52+2dB, precise reproduction of speech and vocals with excellent intelligibility. We conducted a special vibration test, with a frequency of 10Hz-55Hz, 3-axis full-amplitude vibration of 2mm per minute, 2 hours later, the sensitivity change in +2dB or less. [XLR to 1/4” Cable & Smooth Switch]Equipped with a 16.4ft (5m) XLR to 1/4" (6.5mm) cable, this dynamic microphone is seamlessly compatible with a range of devices with 1/4" (6.5mm) microphone inputs，such as DVDs, amplifiers, mixers, tour buses, and speakers.Experience smooth and responsive control with a reinforced switch. Effortlessly change settings without the noise of traditional switches. [Sturdy and Reliable] Daakro karaoke microphone is made of steel mesh grille and metal enclosure protecting microphone against scratch,it is sturdy and durable, not easily corroded by liquids,comfortable for holding and not afraid of dropping.

[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.