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  1. Home
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  3. Bluesound POWERNODE vs Marantz Stereo 70s
Bluesound POWERNODE vs Marantz Stereo 70s
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Bluesound POWERNODE

Integrated Amplifier | 80 watts RMS into 8-ohms

Bluesound POWERNODE
Check price atAmazon›
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Marantz Stereo 70s

Stereo Receiver | 75 watts RMS into 8-ohms

Marantz Stereo 70s
Check price atAmazon›
Bluesound POWERNODE Bluesound POWERNODE
Check price atAmazon›
Marantz Stereo 70s Marantz Stereo 70s
Check price atAmazon›
Bluesound POWERNODE
See at AMAZON
Marantz Stereo 70s
See at AMAZON

Bluesound POWERNODE vs Marantz Stereo 70s Stereo Receiver Comparison

In this review, we will be comparing POWERNODE and Stereo 70s, two s from Bluesound and Marantz. Let's have a brief look at the main features of Bluesound POWERNODE and Marantz Stereo 70s first before getting into our more detailed comparison.

Key SpecsBluesound POWERNODEMarantz Stereo 70s
Power80 watts x 2 channels into 8 ohms75 watts x 2 channels into 8 ohms and 150 watts x 2 channels into 4 ohms
Amplifier classClass DClass A/B
Built-in DACYesYes
Phono inputNoYes
Headphone output3.5mm1/4
BluetoothYesYes
App controlYesYes
Weight1.72kg / 3.8lbs8.32kg / 18.3lbs
Dimensions (H x W x D)2.75" x 8.6875" x 7.5"
69.9mm x 220.7mm x 190.5mm
4-3/16" x 17-3/8" x 16-1/16"
107.0mm x 442.0mm x 408.0mm

What size room are the Bluesound POWERNODE and Marantz Stereo 70s Amplifiers good for?

The size of the room in which you are planning to use these amplifiers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their max power parameters:

Listening Environment Bluesound POWERNODE Marantz Stereo 70s
Near-field Poor Poor
Small Room Average Average
Mid-size Room Good Good
Large Room Average Average
Very Large Room Poor Poor

The sections below take each area in turn: power output, inputs and outputs, features and physical size.


**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.


Reasons to choose Bluesound POWERNODE over Marantz Stereo 70s
MSRP Price(*) 949USD vs 1,000USD costs less (*prices may change depending on the seller, location and time)
Watts into 8-ohms 80 watts vs 75 watts Delivers higher power into 8-ohms speakers
Total Harmonic Distortion (THD) 0.008% vs 0.08 % Less Harmonic Distortion
Signal to Noise Ratio 100 dB vs 74 dB Higher ratings results in cleaner sound
Optical Digital Inputs 2 vs 1 More options for connecting Digital sources
Coaxial Digital Inputs No vs 1 More options for connecting Digital sources
BluOS Yes vs No Compatible with BluOS Wireless Ecosystem
Max Bit Depth 32-bit vs 24-bit Play higher resolution range media
Max Sample Rate 384kHz vs 192kHz Play higher resolution media
Base Surface Area 418.0cm2/ 64.8inch2 vs 1803.4cm2/ 279.5inch2 takes less space in your room
Height 69mm vs 107mm Easier to fit in smaller spaces

Reasons to choose Marantz Stereo 70s over Bluesound POWERNODE
Handheld Remote Yes vs No Control the amplifier by the included RC
Total Analog Inputs 3 vs 2 More options for connecting Analog sources
PhonoInput Yes vs No Connect a turntable directly to your amp
Coaxial Digital Inputs 1 vs No More options for connecting Digital sources
HEOS Yes vs No Compatible with HEOS Wireless Multi-Room Sound System

Inputs and Outputs

The input and output selections that are offered is an important factor when comparing two amplifiers. Here you can find how the I/O selections of the Bluesound POWERNODE and Marantz Stereo 70s differs from each other.

Bluesound POWERNODE Inputs
  • Total Number of Analog Inputs: 2
  • 2 Optical Digital Input
  • USB Input:
    • USB-A(playing files from a thumb drive or external hard drive)
  • Ethernet Port
Marantz Stereo 70s Inputs
  • Total Number of Analog Inputs: 3
  • Phono Input
  • 1 Optical Digital Input
  • 1 Coaxial Digital Input
  • USB Input:
    • USB A
  • HDMI ARC
  • Ethernet Port
Bluesound POWERNODE Back View
Bluesound POWERNODE Back View (Click the image for the larger version)

Outputs
  • Mono-RCA(Sub) Preamp Outputs
  • 3.5mm Headphone Output
  • Subwoofer Output
Outputs
  • Stereo RCA Preamp Outputs
  • 1/4 Headphone Output
  • Subwoofer Output
Marantz Stereo 70s Back View
Marantz Stereo 70s Back View (Click the image for the larger version)

What's in the Box of Bluesound POWERNODE?

Here are the items that are included inside the box of POWERNODE:
  • Wireless music streaming amplifier
  • 6-feet AC power cord
  • 58-inch Ethernet cable
  • 2 Optical-to-3.5mm adapters
  • Quick Setup Guide
  • Warranty Information
  • License Agreement

What's in the Box of Marantz Stereo 70s?

Here are the items that come with the Stereo 70s:
  • Stereo receiver
  • 6-feet AC power cord
  • Remote control (RC052SR)
  • 2 -inchAAA-inch batteries
  • 2 WiFi/BT antennas
  • FM wire antenna
  • AM loop antenna
  • Quick Start Guide
  • Warranty Information
  • Safety Instructions
  • Notes on radio
  • Heos brochure

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