Features of 299BT:

-Multifunctional Karaoke reverb

-Delay adjustment, high and low tone

-Power off memory

-LED Display

-USB interface

-FM radio function

-Built-in bluetooth 5.0

-With MP3 remote control

-Built-in MP3 player

-Dual microphone input

-Aluminum alloy wire drawing panel

-With 2 microphone inputs, with microphone reverb adjustment.

-A set of speakers is an amplifier suitable for home HIFI

-Good sound quality

Specifications:

Whether stage: HiFi

Channel: 2

Output peak power: 200W

Main channel power: 50W+50W

Load impedance: 4-16Ω

Input sensitivity: 1250MV

Input impedance: 47KΩ

Resolution: ≥42dB

Signal to noise ratio: ≥84dB

Harmonic distortion: 0.01%

Frequency loudness: 20Hz-20KHz

Pitch bass adjustment: ±12dB (100Hz)

Pitch treble adjustment: ±12dB (10KHz)

Microphone input sensitivity: 10MV 30MV

Microphone input impedance: 600Ω

Digital reverberation time: 200MT-50MT

Rated power supply: 220V/50Hz

Whether to bring DC12V: No

Net weight: 2KG

Size: 25 x 23 x 5cm

Process: panel drawing, body painting

Package Included:

1 x Power amplifier

1 x Remote control

1 x Manual

Features of AV-80:

-Multifunctional Karaoke reverb

-Support FM radio play

-With remote control, more convenient.

-Remote control makes your operation more convenient in a long distance.

-Built-in bluetooth 5.0

-Double microphone

-Entry-level HIFI amplifier, with large LED display and microphone reverb adjustment.

-A set of bookshelf speakers is an amplifier suitable for home HIFI

Specifications:

Name: Stereo Digital Technology Power Amplifier

Whether stage: HiFi

Channel: 2

Power: AC220V-240V 50Hz-60Hz

Speaker impedance:4-16ohm

Signal to noise ratio:89dBn

Input impendence:47K

Output power max:200W+200W

Frequency response: 20Hz-20KHz(+/-10dB)

Input sensiticity:0.25mV-220mV

Whether to bring DC12V: No

Color:Black

Size: 25x25x7cm/9.8"x9.8"x2.8"

Packaged included:

1 x Stereo Power Amplifier

1 x Remote control

1 x Manual

Features of 505AT:

1. Power supply: AC 220V conversion input.

2. Built-in bluetooth receiving function, USB playback and SD card playback and FM playback.

3. Audio 1 group CD input function.

4. Two-way karaoke Mic input, digital reverb effect adjustment function.

5. Main channel high and low tone function.

6. With remote control, remote control built-in decoding function operation.

7. Stereo power amplification output, can be connected to a pair of 4 ohm - 8 ohm speakers.

8. The rear panel has a set of LINE outputs for connection to an active subwoofer.

Specifications:

Model: 505AT

Size: 25x19x8cm/9.8"x7.2"x3.1"

Rated voltage: 220V

Frequency Response: 20KH - 20KHz(±10dB)

Input sensitivity: 150-300mv (± 30mv)

Tone Control: TREBLE: 10db at 10KHz

MID: 8db at 1KHz

BASS: 10db at 100KHz

Surround Effect Control: 0-10dB

Signal to noise ratio: ≥ 80dB

Loudness: +6dB at 100Hz. +6dB at 10KHz

Load Impeckance: 4 to 8 ohm

AUX Input: Support

Colour: Black

Packaged included:

1 x Audio Power Amplifier

1 x Remote control

1 x External antenna

1 x User Manual

Note:

1.The USB Disk/Max 64GB SD Card is not included in the package.

2. Please allow 0.5-1cm differences due to manual measurement.

3. Due to the light and screen difference, the item's color may be slightly different from the pictures.