Marantz Model 40n

Product highlights:

• Featured in our article: Best streaming amplifiers for 2025
• 70 watts x 2 channels into 8 ohms (20-20,000 Hz) at 0.02% THD
• 100 watts x 2 channels into 4 ohms
• 4-ohm capability allows use with a wide range of speakers
• high-current double-shielded toroidal power transformer for clean playback and smooth handling of demanding speaker loads
• Hyper Dynamic Amplifier Module (HDAM® SA3) circuitry for pure, detailed sound
• ESS ES9016 DAC (digital-to-analog converter) processes PCM signals up to 24-bit/192kHz
  • digital filters let you tailor playback to suit your preferences
• front-panel tone control knobs (treble, bass)
• Source Direct mode bypasses tone control circuits for cleaner sound
• voice control via optional Amazon Alexa and Google Assistant devices
• frequency response 5-100,000 Hz (±3dB)
• signal-to-noise ratio: 87 dB (Phono), 106 dB (CD)
• remote control included
• detachable power cord

Network streaming features:

• built-in dual-band Wi-Fi and Bluetooth 4.2
• HEOS Built-in technology:
  • internet radio via TuneIn, iHeart Radio, and more
  • cloud-based access to popular streaming services, including Spotify Connect, Qobuz Connect, Apple Music, TIDAL, and more
  • wirelessly connects compatible HEOS components for whole-home audio
• Apple AirPlay® 2 allows wireless streaming via iPhone®, iPad®, iPod® or computer running iTunes®
• works as a Roon player (requires subscription and Roon Core running on your network)
  • Roon Core is media server software that runs on your computer, NAS drive, or other compatible hardware

Connections:

• 3 standard line-level RCA audio inputs
• separate phono input for turntables with moving magnet cartridges
• HDMI ARC input (version 1.4) for connecting to a compatible TV
• one coaxial digital and one optical digital input
• USB Type-A port for playback from a compatible thumb drive
• Ethernet port for connecting to your home network
• stereo "power amp" inputs for use as a power amp with a home theater receiver (home theater bypass mode)
• mono preamp output for connecting a subwoofer
• stereo RCA audio outputs for recording
• front-panel full-size 1/4" headphone jack
• binding posts for a single pair of speakers
• remote control input/output

Dimensions and warranty:

• 17-3/8"W x 5-1/8"H x 19-1/16"D
• weight: 23.81 lbs.
• warranty: 5 years
• 60-day returns
• MFR # Model40n
• Item # 642MDL40N