FA-204 Desktop PA Amplifier (40W) + 5 Recessed Speakers

Used for playing background music in a store.
I don't know the market price, so I'm open to price negotiations.

Amplifier Specifications
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Model Number: FA-204
Price: ¥45,000 (excluding tax)
Rated Output: 40W
Output Load Impedance: 250Ω, 125Ω, 4Ω～16Ω
Power Consumption at Rated Output: AC 1.5A or less, DC 3.5A or less
Power Supply Voltage: AC 100V 50/60Hz, DC 24V
Input Sensitivity and Impedance:
Microphone 1: -62dBV 600Ω (electronically balanced) φ6.3 standard jack
Microphone 2 / Line 1: -62dBV 600Ω (electronically balanced) / -22dBV 10kΩ (electronically balanced) Slide switch selectable φ6.3 standard jack / Cannon type connector
Line 2: -22dBV 10kΩ unbalanced RCA pin jack
Paging: -22dBV～0dBV 10kΩ unbalanced, with semi-fixed VR
100 Series Input: Approximately 100V 20kΩ balanced, with semi-fixed VR
Line Output: 0dBV 600Ω unbalanced RCA pin jack
Attached Functions:
Mute: Paging input takes priority, followed by Microphone 1, Microphone 2/Line 1, and Line 2. Microphone 2/Line 1 takes priority, followed by Microphone 1 and Line 2. Attenuation is 40dB or more for Microphone 1, Microphone 2/Line 1, and Line 2.
Remote Control: Activated by a no-voltage make contact. Contact capacity: DC 24V 10mA.
Paging Activation: Activated by a no-voltage make contact, and the built-in pre-announcement sound operates. The volume of the pre-announcement sound (ping-pong) can be adjusted with a semi-fixed VR.
Operating Temperature Range: -10℃ to +50℃ *However, do not use in places where condensation may occur.
External Dimensions: Width approximately 272mm x Height approximately 103mm x Depth approximately 304mm
Weight: Approximately 5.3kg
Accessories: φ6.3 stereo plug

I forgot the model number of the built-in speakers, so please judge from the image. They could basically be used in parallel connection.
Wiring is also included, although it was sold separately.