Stereo set - amplifier Yamaha RX-V481, with speakers Dynavoice Challenger M-65 (v.4)

Good sound stereo set with Yamaha RX-V481 amplifier and Dynavoice Challenger M-65 speakers (v.4).

Amplifier:

• Dynamic power per channel: 8 / 6 / 4 / 2 ohms - / 110 / 130 / 160 W
• Supports applications such as: AirPlay, Spotify, Pandora, JUKE
• Integrated: Bluetooth, Wi-Fi
• Application (app) for control from a smartphone or tablet
• Supports audio formats: AAC, AIFF, Apple Lossless, DSD, FLAC, MP3, PCM, WAV, WMA
• YPAO ™ - RSC audio optimization
• Ability to assign amplifier to bi-amp connection and Speaker Zone B function
• Dimensions: 435 x 161 x 327 mm / Weight: 8.1 kg

Columns:

• Power: MAX 250 W / RMS 175 W
• Frequency range : 25 - 32.000 Hz ( -3dB )​
• Filter frequencies: 240/2500 Hz
• Sensitivity: 93 dB
• Resistance : 4-8 ohms
• Dimensions: 1100 x 198 x 95 mm / Weight: 27 kg (1 pc)
• 3-way speakers
• Construction: 4 x phase inverters at the rear
• Gold-plated two-wire terminal

Link to speakers: Dynavoice Challenger M-65 (v.4)

Home theater amplifier reference: Yamaha RX-V481