Let's make the Onkyo TX-RZ620 versus Marantz NR1510 comparison. According to the results of our review, Onkyo TX-RZ620 received 7.1 points out of 10 possible, and Marantz NR1510 was rated 7 points. The release date of TX-RZ620 is 2017, and NR1510 is 2019. After comparison, it will become clear that among these two devices, the TX-RZ620 is more suitable for the role of the heart of home theater system.
For the built-in amplifier, the devices received different marks - 7 and 6, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ620 supports 7.2-channels sound, but Marantz NR1510 supports a 5.2-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the TX-RZ620 this value is 100/8 W/Ohm, and for the NR1510 it is 50/8 W/Ohm.
|Stereo power (RMS), W/Ohm||100/8||50/8, 60/6|
|Output impedance, Ohm||8||8, 6|
|THD in stereo, %||0.08||0.08|
After reviewing the audio features of each model, we can rate the TX-RZ620 9 out of 10, and the NR1510 - 6.
Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible only on the TX-RZ620.
Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.
|Digital to analog converter (DAC)||384 KHz/32-bit||192 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||AccuEQ||Audyssey MultEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio, Dynamic Audio Amplification||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Enhancer, Hi-Res audio|
The connectivity of competitors in our comparison is equal and was rated 8 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
|USB||1 (USB 2.0)||1 (USB 2.0)|
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
|Apple Music (AirPlay)||AirPlay||AirPlay, AirPlay 2|
|Other streaming services||Deezer, TIDAL, Pandora, TuneIn Radio||Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio|
The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Onkyo TX-RZ620 got 7 points, but Marantz NR1510 received 9 points.
Onkyo TX-RZ620 is equipped with 7/2 HDMI inputs and outputs, and Marantz NR1510 has 8/1 HDMI inputs and outputs.
HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available on Marantz NR1510.
The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Onkyo TX-RZ620 in the HDCP 2.2 version, and Marantz NR1510 has the HDCP 2.3 version.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✖||✔|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.3|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||1|
|Coaxial digital input||1||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||HDMI, phones, setup mic, AUX||USB, HDMI, phones, setup mic|
|Multi channel preamp output||✖||✔|
The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of rivals in our comparison were rated 6 out of 10.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/60Hz|
|8K signal pass-through||✖||✖|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✔|
|HDMI pass-through in standby mode||✔||✔|
|Analog to HDMI scaling||✖||✖|
|HDMI to HDMI scaling||✖||✖|
|Other video features||DeepColor, x.v.Color, HLG, BT.2020||HLG, BT.2020|
In terms of evaluating additional features, the TX-RZ620 got 6 points, but the NR1510 has 10.
Voice control allows you to control the basic functions of the receiver through a smartphone, smart speaker or using the microphone that comes with the kit. The NR1510 can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI. Marantz NR1510 has the ECO mode.
|Voice control||✖||Amazon Alexa, Google Assistant, Siri, Josh.AI|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android, Amazon Kindle|
|Tuner||AM, FM||AM, FM|
|Auto power off||✖||✔|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||has not||IP Control, Web Control|
As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.
|Multi-room zones||2||has not|
|Zone audio output||speaker, preout||has not|
|Zone HDMI output||✖||has not|
|Multi-room control||Onkyo Controller app, FlareConnect||has not|
|Remote control input/output (IR)||1/0||1/0|
|DC trigger output (12V)||1||1|
Onkyo TX-RZ620 got 7 points for the multichannel surround sound and Marantz NR1510 got 5.
Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Onkyo TX-RZ620 can create 3D sound due to the Dolby Atmos support.
DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available only on the TX-RZ620.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround, DTS-Neo:6|