Bass Tone Board OK339A (Bangladeshi)
Model: OK339 Chip type: PT2399 Working voltage: dual source 12V-15VAC 3Amp Extended power: 12V output Interface: 5.5MM outer diameter, 2.1MM inner diameter Microphone jack: 2 Jacks 6.5mm • Potentiometer specifications: 15 / 20mm Using double precision TL074 as input operational amplifier, strong analysis ability, natural sound effects, PT2399 is responsible for echo processing. • • Added 5V output to connect to the Bluetooth decoder board for easier use. Input: 3 pin jack header - music signal input Output: 3 pin Jack header - music signal mixed with microphone signal BANGLADESHI Tone Board Preamp Tone Controller 5 Volume Amplifier Audio Speaker Low Noise Filter Circuit Microphone karaoke amplifier echo circuit PT2399 - OK339 is an audio signal and karaoke echo amplifier circuit with two-way audio mixing technology that can adjust music volume, microphone volume, echo by potentiometer on the circuit. OK339 karaoke microphone amplifier circuit supports 2 wired microphones, with the volume and echo function to help you adjust the desired echo. In addition, the circuit is also integrated chip opamp 4558D support volume bass treble adjustment. -OK339 karaoke microphone echo circuit uses dual sources from 12V to 15V, available bridge diode, so you can use AC or DC. The circuit also extends a 12VDC source that can connect auxiliary devices such as decoding circuit, wireless MIC, USB receiver Bluetooth ... more convenient to use.
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Model: OK339 Chip type: PT2399 Working voltage: dual source 12V-15VAC 3Amp Extended power: 12V output Interface: 5.5MM outer diameter, 2.1MM inner diameter Microphone jack: 2 Jacks 6.5mm • Potentiometer specifications: 15 / 20mm Using double precision TL074 as input operational amplifier, strong analysis ability, natural sound effects, PT2399 is responsible for echo processing. • • Added 5V output to connect to the Bluetooth decoder board for easier use. Input: 3 pin jack header - music signal input Output: 3 pin Jack header - music signal mixed with microphone signal
BANGLADESHI Tone Board Preamp Tone Controller 5 Volume Amplifier Audio Speaker Low Noise Filter Circuit Microphone karaoke amplifier echo circuit PT2399 - OK339 is an audio signal and karaoke echo amplifier circuit with two-way audio mixing technology that can adjust music volume, microphone volume, echo by potentiometer on the circuit. OK339 karaoke microphone amplifier circuit supports 2 wired microphones, with the volume and echo function to help you adjust the desired echo. In addition, the circuit is also integrated chip opamp 4558D support volume bass treble adjustment. -OK339 karaoke microphone echo circuit uses dual sources from 12V to 15V, available bridge diode, so you can use AC or DC. The circuit also extends a 12VDC source that can connect auxiliary devices such as decoding circuit, wireless MIC, USB receiver Bluetooth ... more convenient to use.
BANGLADESHI Tone Board Preamp Tone Controller 5 Volume Amplifier Audio Speaker Low Noise Filter Circuit Microphone karaoke amplifier echo circuit PT2399 - OK339 is an audio signal and karaoke echo amplifier circuit with two-way audio mixing technology that can adjust music volume, microphone volume, echo by potentiometer on the circuit. OK339 karaoke microphone amplifier circuit supports 2 wired microphones, with the volume and echo function to help you adjust the desired echo. In addition, the circuit is also integrated chip opamp 4558D support volume bass treble adjustment. -OK339 karaoke microphone echo circuit uses dual sources from 12V to 15V, available bridge diode, so you can use AC or DC. The circuit also extends a 12VDC source that can connect auxiliary devices such as decoding circuit, wireless MIC, USB receiver Bluetooth ... more convenient to use.
Bass Tone Board OK339A (Bangladeshi)
490 BDT
Model: OK339 Chip type: PT2399 Working voltage: dual source 12V-15VAC 3Amp Extended power: 12V output Interface: 5.5MM outer diameter, 2.1MM inner diameter Microphone jack: 2 Jacks 6.5mm • Potentiometer specifications: 15 / 20mm Using double precision TL074 as input operational amplifier, strong analysis ability, natural sound effects, PT2399 is responsible for echo processing. • • Added 5V output to connect to the Bluetooth decoder board for easier use. Input: 3 pin jack header - music signal input Output: 3 pin Jack header - music signal mixed with microphone signal
BANGLADESHI Tone Board Preamp Tone Controller 5 Volume Amplifier Audio Speaker Low Noise Filter Circuit Microphone karaoke amplifier echo circuit PT2399 - OK339 is an audio signal and karaoke echo amplifier circuit with two-way audio mixing technology that can adjust music volume, microphone volume, echo by potentiometer on the circuit. OK339 karaoke microphone amplifier circuit supports 2 wired microphones, with the volume and echo function to help you adjust the desired echo. In addition, the circuit is also integrated chip opamp 4558D support volume bass treble adjustment. -OK339 karaoke microphone echo circuit uses dual sources from 12V to 15V, available bridge diode, so you can use AC or DC. The circuit also extends a 12VDC source that can connect auxiliary devices such as decoding circuit, wireless MIC, USB receiver Bluetooth ... more convenient to use.
BANGLADESHI Tone Board Preamp Tone Controller 5 Volume Amplifier Audio Speaker Low Noise Filter Circuit Microphone karaoke amplifier echo circuit PT2399 - OK339 is an audio signal and karaoke echo amplifier circuit with two-way audio mixing technology that can adjust music volume, microphone volume, echo by potentiometer on the circuit. OK339 karaoke microphone amplifier circuit supports 2 wired microphones, with the volume and echo function to help you adjust the desired echo. In addition, the circuit is also integrated chip opamp 4558D support volume bass treble adjustment. -OK339 karaoke microphone echo circuit uses dual sources from 12V to 15V, available bridge diode, so you can use AC or DC. The circuit also extends a 12VDC source that can connect auxiliary devices such as decoding circuit, wireless MIC, USB receiver Bluetooth ... more convenient to use.