SpeakerDecision
  • SPEAKERS by TYPE
    • Passive Bookshelf Speakers
    • Passive Floor-standing Speakers
    • Passive Center Channel Speakers
    • Passive In-wall Speakers
    • All Passive Speakers
    • Powered Subwoofers
    • Powered Stereo Speakers
  • AMPLIFIERS
  • SMART FIND
Audiolab 6000A vs Rotel Diamond Series RA-6000
x
Amp to replace
Change

Audiolab 6000A

Integrated Amplifier | 50 watts RMS into 8-ohms

Audiolab 6000A
CHECK PRICE
Change
    
Rotel Diamond RA-6000

Integrated Amplifier | 200 watts RMS into 8-ohms

Rotel Diamond Series RA-6000
CHECK PRICE
Audiolab 6000A Audiolab 6000A
See at AMAZON
Rotel Diamond RA-6000 Rotel Diamond RA-600...
See at AMAZON
Audiolab 6000A
See at AMAZON
Rotel Diamond RA-600...
See at AMAZON
Audiolab 6000A vs Rotel Diamond RA-6000 Integrated Amplifier Comparison

In this review, we will be comparing 6000A and Diamond Series RA-6000, two Integrated Amplifiers from Audiolab and Rotel. Let's have a brief look at the main features of Audiolab 6000A and Rotel Diamond RA-6000 first before getting into our more detailed comparison.

Audiolab 6000A Key Specs

  • 50 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • Bluetooth
  • Weight: 17.19 lbs / 7.81 kg
  • Dimensions (H x W x D):3-1/16inch x 17-9/16inch x 14-1/8inch

Rotel Diamond RA-6000 Key Specs

  • 200 watts RMS into 8-ohms
  • Built-in DAC
  • Phono Input
  • USB Input
  • Bluetooth
  • Weight: 41.47 lbs / 18.85 kg
  • Dimensions (H x W x D):5-11/16inch x 17-1/16inch x 17-15/16inch

What size room are the Audiolab 6000A and Rotel Diamond RA-6000 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 Audiolab 6000A Rotel Diamond RA-6000
Near-field Average Are you nuts?
Small Room Good Bad
Mid-size Room Average Poor
Large Room Poor Good
Very Large Room Bad Good

In the following sections, we will get into more detail in order to understand how Audiolab 6000A and Rotel Diamond RA-6000 compares and end up with enough arguments to decide which one of these amplifiers is the better choice for you.


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


Reasons to choose Audiolab 6000A over Rotel Diamond Series RA-6000
MSRP Price(*) 899USD vs 4,500USD costs less (*prices may change depending on the seller, location and time)
Total Harmonic Distortion (THD) 0.003% vs 0.0075% Less Harmonic Distortion
Base Surface Area 1604.7cm2/ 248.7inch2 vs 1979.0cm2/ 306.7inch2 takes less space in your room
Height 78mm vs 145mm Easier to fit in smaller spaces

Reasons to choose Rotel Diamond Series RA-6000 over Audiolab 6000A
Watts into 8-ohms 200 watts vs 50 watts Delivers higher power into 8-ohms speakers
Watts into 4-ohms 350 watts vs 75 watts Delivers higher power into 4-ohms speakers
Signal to Noise Ratio 103 dB vs 76 dB Higher ratings results in cleaner sound
Optical Digital Inputs 3 vs 2 More options for connecting Digital sources
Coaxial Digital Inputs 3 vs 2 More options for connecting Digital sources
USB Input Yes vs Firmware only Connect Sources via USB
Roon Tested vs No Roon Compatibility
Max Bit Depth 32-bit vs 24-bit Play higher resolution range media
Max Sample Rate 384kHz vs 192kHz Play higher resolution media

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 Audiolab 6000A and Rotel Diamond RA-6000 differs from each other.

Audiolab 6000A Inputs
  • Total Number of Analog Inputs: 4
  • Phono Input
  • 2 Optical Digital Input
  • 2 Coaxial Digital Input
Rotel Diamond RA-6000 Inputs
  • Total Number of Analog Inputs: 4
  • Phono Input
  • 3 Optical Digital Input
  • 3 Coaxial Digital Input
  • USB Input:
    • USB-A front(Connects to iOS devices)
    • USB-B (allows connection to your Windows PC or Mac computer)
  • Ethernet Port
  • XLR Input Port
Audiolab 6000A Back View
Audiolab 6000A Back View (Click the image for the larger version)

Outputs
  • Stereo RCA Preamp Outputs
  • Pre-out/Main-in Loop
  • 1/4 Headphone Output
Outputs
  • Stereo RCA, Sub Preamp Outputs
  • 3.5mm Headphone Output
  • Subwoofer Output
Rotel Diamond RA-6000 Back View
Rotel Diamond RA-6000 Back View (Click the image for the larger version)

What's in the Box of Audiolab 6000A?

Here are the items that are included inside the box of 6000A:
  • Integrated amplifier
  • 6.5-feet AC power cord
  • Remote control
  • Bluetooth antenna
  • User Instructions
  • What's in the Box of Rotel Diamond RA-6000?

    Here are the items that come with the Diamond Series RA-6000:
  • Stereo integrated amplifier
  • 58-inch AC power cord
  • Remote control (RR-AX200)
  • 2 AA batteries
  • 59-inch USB-B to USB-A cable
  • 57-inch Ethernet cable
  • USB thumbdrive (with Windows PC driver)
  • Quick Installation Guide
  • Warranty/Registration Card
  • Important Safety Instructions
  • Addendum For Roon Test
  • LATEST BLOG POSTS
    Klipsch La Scala AL6 and Klipschorn AK7 Speakers are Unveiled
    New Audiolab 6000A MkII with upgraded DAC and new HDMI ARC connection
    Q Acoustics 3000c Series Loudspeakers added to the database
    WiiM VibeLink Amp: A Game-Changer for Budget Hi-Fi in 2025
    KEF Meta and Reference Meta Floorstanding Speaker Size and Specs Comparison
    Triangle Borea Bookshelf and Floorstanding Speaker Size and Specs Comparison
    Triangle Borea BR04 Bookshelf and BR10 Floorstanding Speakers added to Database
    Monitor Audio Gold 6G Series Loudspeakers added to our Comparison Database

    Most Popular Amplifiers
    Audiolab 7000A
    Audiolab 7000A
    70 watts into 8-ohms
    Yamaha A-S801
    Yamaha A-S801
    100 watts into 8-ohms
    Denon PMA-900HNE
    Denon PMA-900HNE
    50 watts into 8-ohms
    Yamaha A-S301
    Yamaha A-S301
    60 watts into 8-ohms
    Denon PMA-1700NE
    Denon PMA-1700NE
    70 watts into 8-ohms
    Rotel A14 MKII
    Rotel A14 MKII
    80 watts into 8-ohms
    Yamaha A-S501
    Yamaha A-S501
    85 watts into 8-ohms
    Rotel Diamond Series RA-6000
    Rotel Diamond Series RA-6000
    200 watts into 8-ohms
    Rotel A12 MKII
    Rotel A12 MKII
    60 watts into 8-ohms
    Audiolab 6000A
    Audiolab 6000A
    50 watts into 8-ohms
    Copyright © 2025 by SpeakerDecision
    About Privacy Contact US Camera Decision

    Report a Correction