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TCL Alto 8+ vs TCL Alto 9+
Side-by-Side Comparison
Products
TCL Alto 8+
TCL Alto 9+
Tested using Methodology v1.3
Updated Apr 17, 2024 02:53 PM
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Amazon.comTested using Methodology v1.0
Updated Apr 17, 2024 02:44 PM
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Channels2.1
Channels3.1
Variants
- Alto 8+ (Black)
- Alto 9+ (Black)
Our Verdict
TCL Alto 8+
TCL Alto 9+
The TCL Alto 9+ is a bit better for mixed usage than the TCL Alto 8+. The 9+ is a 3.1 setup with a dedicated subwoofer that can reproduce a more extended low-bass. It's better built, and it supports Dolby Atmos content. It also has a better center channel performance. That said, the 8+ has a better soundstage.
Main Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
6.1
6.5
Center
5.5
8.1
Stereo Soundstage
7.0
5.0
Height (Atmos)
0.0
3.6
Audio Format Support: HDMI In
0.0
8.7
Auto-Volume/Night Mode
Yes
No
Full Comparison
Design
Style - Bar
Style photo - bar
Style - Subwoofer
Style photo - sub
Sub Wireless
No
Yes
Enclosure
Integrated
Ported
Style - Satellites
Style photo - satellites
Satellite Wireless
No
No
Dimensions - Bar
Dimensions photo - bar
Width
38.0" (96.5 cm)
41.3" (105.0 cm)
Height
2.4" (6.0 cm)
2.3" (5.9 cm)
Depth
4.1" (10.3 cm)
4.4" (11.2 cm)
Dimensions - Subwoofer
Dimensions photo - sub
Width
N/A
9.5" (24.1 cm)
Height
N/A
16.3" (41.4 cm)
Depth
N/A
9.5" (24.1 cm)
Dimensions - Satellites
Dimensions photo - satellites
Width
N/A
N/A
Height
N/A
N/A
Depth
N/A
N/A
Mounting
Bar Mounting Holes
Satellite Mounting Holes
Mountable Bar
Yes
Bar Brackets Included
Yes
Mountable Satellites
No
Satellite Brackets Included
No
Build Quality
6.5
7.0
Build quality photo
In The Box
In The Box photo
HDMI Cable Length
1.5 m (4.9 ft)
Digital Optical Cable Length
1.5 m (4.9 ft)
Back - Bar
Back photo - bar
Bar Mounting
Proprietary
Back - Subwoofer
Back photo - sub
Enclosure
Integrated
Ported
Back - Satellites
Back photo - satellites
Mounting
No
Sound
Stereo Frequency Response
6.9
6.9
Stereo Setup
Raw Frequency Response
Frequency Response Small
Channels
2.1
3.1
Tested Preset
Music
Music
Slope
-0.82
-0.45
Standard Error
3.56 dB
3.06 dB
Low-Frequency Extension
55.8 Hz
49.0 Hz
High-Frequency Extension
18.0 kHz
4.2 kHz
Stereo Frequency Response With Preliminary Calibration
6.9
6.9
Frequency Response Calibrated
Suggested Preset
Music
Music
Suggested Bass Setting
N/A
0
Suggested Treble Setting
N/A
0
Slope
-0.82
-0.45
Standard Error
3.56 dB
3.06 dB
Low-Frequency Extension
55.8 Hz
49.0 Hz
High-Frequency Extension
18.0 kHz
4.2 kHz
Stereo Soundstage
7.0
5.0
Crosstalk Error
2.87 dB
2.09 dB
Stereo Dynamics
6.7
7.0
Dynamic Range Compression
SPL @ Max Volume
88.4 dB SPL
88.1 dB SPL
DRC @ 90dB
N/A
DRC @ Max Volume
2.82 dB
2.02 dB
Stereo Total Harmonic Distortion
7.0
Weighted THD @ 80dB
0.70
Weighted THD @ Max Volume
2.56
Center
5.5
8.1
Center Setup
Frequency Response
Localization
Phantom
Discrete
Slope
-1.88
-0.25
Std. Err.
5.70 dB
2.89 dB
SPL @ Max Volume
85.5 dB SPL
85.8 dB SPL
Weighted THD @ 80dB
0.55
1.33
Weighted THD @ Max Volume
0.74
3.13
Surround 5.1
3.0
3.7
Surround Setup
Frequency Response
Localization
Stereo (Downmix)
Stereo (Downmix)
Slope
-1.91
-1.19
Std. Err.
5.63 dB
3.76 dB
SPL @ Max Volume
83.0 dB SPL
85.8 dB SPL
Weighted THD @ 80dB
0.54
0.97
Weighted THD @ Max Volume
0.65
3.42
7.1 Rears
No
No
Height (Atmos)
0.0
3.6
Height Setup
H Frequency Response
Localization
Not Supported
Stereo (Downmix)
Slope
N/A
-1.61
Std. Err.
N/A
4.18 dB
SPL @ Max Volume
N/A
84.7 dB SPL
Weighted THD @ 80dB
N/A
0.38
Weighted THD @ Max Volume
N/A
2.26
Sound Enhancement Features
3.9
3.0
Room Correction
No
No
Dialogue Enhancement
Yes
Yes
Auto-Volume/Night Mode
Yes
No
Subwoofer Level Adjustment
No
No
Bass Adjustment
No
Yes
Treble Adjustment
No
Yes
EQ
Presets
Presets
Surround Level Adjustment
No
No
Rear Level Adjustment
No
No
Height Level Adjustment
No
No
Virtual Surround
No
Yes
Connectivity
Inputs/Outputs - Bar
Physical Connections Bar Photo 1
Physical Connections Bar Photo 2
Optical Audio In
1
1
HDMI Out
ARC
1 (shared)
HDMI 2.1 Class Bandwidth
No
Full HDMI In
No
1
Analog Audio In 3.5mm (Aux)
No
1
RCA In
No
No
USB for Files
1
1
Ethernet
No
No
Subwoofer Output
No
HDMI ARC
1 (shared)
Audio Format Support: ARC/eARC
4.8
7.4
Dolby Atmos
Not Supported
Yes
Dolby Digital
Supported
Yes
Dolby Digital Plus
Not Supported
Yes
Dolby TrueHD
Not Supported
No
DTS
Not Supported
No
DTS:X
Not Supported
No
eARC
No
DTS-HD MA
Not Supported
No
PCM Channels
2.0
5.1 PCM (eARC only)
No
Audio Format Support: HDMI In
0.0
8.7
Dolby Atmos
Not Supported
Yes
Dolby Digital
Not Supported
Yes
Dolby Digital Plus
Not Supported
Yes
Dolby TrueHD
Not Supported
Yes
DTS
Not Supported
No
DTS:X
Not Supported
No
DTS-HD MA
Not Supported
No
PCM Channels
Not Supported
5.1 PCM
Yes
Audio Format Support: Optical
6.5
6.0
Dolby Digital
Supported
Yes
DTS
Not Supported
No
PCM Channels
2.0
Audio Latency: ARC
8.8
ARC Latency Video
PCM-2.0 ch
49 ms
PCM-5.1 ch
N/A
Dolby MAT (PCM) Atmos
N/A
Dolby Digital
87 ms
Dolby Digital Plus
N/A
Dolby Digital Plus Atmos
N/A
Audio Latency: HDMI In
0.0
6.0
HDMI Latency Video
Latency Video
PCM-2.0 ch
N/A
PCM-5.1 ch
N/A
Dolby MAT (PCM) Atmos
N/A
Dolby Digital
N/A
Dolby Digital Plus
N/A
Dolby Digital Plus Atmos
N/A
ARC
136 ms
Optical
134 ms
Full HDMI In
83 ms
Audio Latency: Optical
7.3
Optical Latency Video
PCM-2.0 ch
119 ms
Dolby Digital
301 ms
Video Passthrough To TV
0.0
0.0
1080p Max Refresh Rate
Not Supported
1080p @ 4:4:4 Max Refresh Rate
Not Supported
4k Max Refresh Rate
Not Supported
4k @ 120Hz @ 10-Bit
Not Supported
4k @ 4:4:4 Max Refresh Rate
Not Supported
8k Max Refresh Rate
Not Supported
HDR10 Passthrough
No
Yes
HDR10+ Passthrough
No
Dolby Vision Passthrough
No
HDMI Forum VRR Passthrough
No
4k @ 60 Hz Passthrough
Yes
FreeSync Passthrough
No
G-SYNC Passthrough
No
ALLM Passthrough
No
4k @ 60 Hz @ 10 bit Passthrough
Yes
4k @ 60 Hz @ 4:4:4 Passthrough
Yes
Wireless Playback
6.0
10
Bluetooth
Yes
Yes
Wi-Fi Playback
No
Yes
Chromecast built-in
No
Yes
Apple AirPlay
No
Yes
Spotify Connect
No
Connectivity - Subwoofer
Physical inputs subwoofer photo 1
Physical controls subwoofer photo 1
Sub Wireless
No
Yes
Connectivity - Satellites
Physical inputs satellites photo 1
Physical controls satellites photo 1
Sat Wireless
No
No
Additional Features
Interface
Interface photo
Display
Yes
Yes
Bar Controls
Controls photo
Remote
Remote photo
Universal Remote
No
Voice Assistants Support
Amazon Alexa
Yes (Built-in)
No
Google Assistant
No
No
Apple Siri
No
No
Microphone Mute
No
App
App image
App Name
No App
iOS
No
Android
No
Acts As A Remote
No
Controls Soundbar's Settings
No
Casts Device Files
No
Other Features
Power Saving
No
HDMI CEC (TV Remote Control)
Yes
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TCL Alto 8+
TCL Alto 9+
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TCL Alto 8+ vs TCL Alto 9+: Main Discussion
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