Samsung HW-B550/ZA 2.1ch Soundbar Review

The Samsung HW-B550/ZA 2.1ch Soundbar is a fantastic addition to any home entertainment setup. It delivers powerful sound with its 2.1-channel configuration and a dedicated subwoofer, ensuring deep bass and clear dialogue. The Samsung HW-B550/ZA 2.1ch Soundbar also supports Dolby Audio and DTS Virtual:X, providing immersive surround sound for movies, TV shows, and music.

One of the standout features of the Samsung HW-B550/ZA 2.1ch Soundbar is its Adaptive Sound Lite technology, which automatically adjusts the sound output to match the content you’re watching. This ensures optimal sound quality for various audio sources. Additionally, the soundbar offers Bluetooth Multi-Device Connection, allowing you to connect multiple Bluetooth devices simultaneously, such as your smartphone and tablet.

Whether you’re enjoying a thrilling action movie or a relaxing evening with friends, the Samsung HW-B550/ZA 2.1ch Soundbar is the perfect choice. Its sleek design, easy setup, and impressive sound performance make it a great value for money. Read more…

About ProjectoReviews

On ProjectoReview.com, you can see a wide range of home theater products and devices with appropriate reviews, ratings and buying guidelines. The main purpose of this website to provide unbiased reviews on projectors and home theater devices. The reviews are written after extensive research by participating in relevant forums, reading blogs and collecting information from various sources. The website focuses on various products like projectors, home theaters, display devices, audio equipment, projector screens, TVs and various home theater accessories.

View all posts by ProjectoReviews →

Best Samsung Hw B550 Za 2 1ch Deals

AH81-15498A Replacement Remote Commander Compatible for Samsung B-Series 2.1CH/3.1CH/4.1CH Soundbar Sound Bar Subwoofer HW-C450 HW-B57C HW-B550/ZA HW-B550 HW-B650 HW-B430 HW-B43M HW-B450 PS-WB40T

Image of AH81-15498A Replacement Remote Commander Compatible for Samsung B-Series 2.1CH/3.1CH/4.1CH Soundbar Sound Bar Subwoofer HW-C450 HW-B57C HW-B550/ZA HW-B550 HW-B650 HW-B430 HW-B43M HW-B450 PS-WB40T

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ ECONTROLLY Replacement Remote Commander AH81-15498A compatible for SAMSUNG B-Series 2.1CH/3.1CH/4.1CH Soundbar Sound Bar Subwoofer Surround Speaker Home Theater System. Sub for AH81-15047A AH81-15340A remote.
  • ✅ Compatible for Samsung Sound Bar Speaker System HW-B550/ZA HW-B450 HW-B430 HW-B440 HW-B43M PS-WB40T HW-B43C HW-B47M SWA-9100 HW-C450 HW-B57C HW-B45E HW-S60B HW-S61B HW-Q750B HW-Q800B HW-Q600B HW-Q60B HW-Q67CB HW-Q6CB HW-Q700B HW-Q710B HW-Q810B HW-Q910B HW-Q930B HW-Q935B HW-Q990B HW-B43M/ZA HW-Q800B/ZA HW-Q700B/ZA HW-Q930B/ZA HW-Q910B/ZA HW-Q990B/ZA HW-S61B/ZA HW-S60B/ZA
  • ✅ HWQ700B HWB450 HWB430 HWB440 HW-B550 HW-B650 HWB550 HWB650 HWC450 HWB57C HWB43M PSWB40T HWB43C HWB47M SWA9100 HWB550ZA HWB45E HWS60B HWS61B HWQ750B HWQ800B HWQ600B HWQ60B HWQ67CB HWQ6CB HWQ710B HWQ810B HWQ910B HWQ930B HWQ935B HWQ990B HWB43MZA HWQ800BZA HWQ700BZA HWQ930BZA HWQ910BZA HWQ990BZA HWS61BZA HWS60BZA HW-S60D HW-B750D HW-S60D/ZA HW-B750D/ZA 2024 Models
  • ✅ No programming or pairing is required, just install 2pcs new 1.5V AAA alkaline batteries(NOT included), then it will be available for the right model device.
  • ✅ Package Content: 1pc Infrared Remote Control.(Batteries and user manual are NOT included)

Product Details

Brand:ECONTROLLY
Model:SENUO-AH81-15498A
Color:Black
Dimensions:6.299212592 X 1.574803148 X 0.393700787 inches
Warranty:12 Months

Samsung Q-Series Soundbar HW-Q600F 3.1.2ch with Wireless Subwoofer, Dolby Atmos/DTS Virtual:X, Q-Symphony, SpaceFit Sound Pro, Adaptive Sound, Game Mode Pro, Bluetooth, (2025 Model)

Image of Samsung Q-Series Soundbar HW-Q600F 3.1.2ch with Wireless Subwoofer, Dolby Atmos/DTS Virtual:X, Q-Symphony, SpaceFit Sound Pro, Adaptive Sound, Game Mode Pro, Bluetooth, (2025 Model)

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ MULTIDIMENSIONAL SOUND WITH UP-FIRING SPEAKERS FOR GREATER IMMERSION: Let the sound cascade over you. With 3 front and 2-up firing channels, plus a 6.5-inch active subwoofer with 8 inch passive radiator for powerful bass, you can enjoy a theater-like audio experience without leaving your couch. Bring your favorite content to life with rich, multidimensional audio that fills the room.
  • ✅ THEATRICAL THREE-DIMENSIONAL SOUND THAT WRAPS AROUND YOU*: Transport yourself to exciting new worlds with multidimensional, 3D sound* that comes from every angle. Every object is placed in space and moves around and above you, putting you in the center of the action.
  • ✅ SAMSUNG TV AND SOUNDBAR SPEAKERS WORK TOGETHER FOR A MORE ROBUST, NUANCED SOUND**: Provides a more immersive sound experience with Samsung TV and Soundbar speakers working together for more robust and nuanced sound.** With compatible AI TVs***, it enhances audio for even more clarity.
  • ✅ OPTIMIZED SOUND FOR EVERY SCENE: Get the optimal listening experience for each scene. The soundbar recognizes the type of content you’re watching and automatically adapts audio settings to produce clear voices and detailed sounds.
  • ✅ SOUND CALIBRATED PERFECTLY FOR YOUR SPACE USING THE TV MIC****: Enjoy stunning sound automatically calibrated to your room using your compatible TV's built-in microphone. It analyzes your space and optimizes the audio for clear sound and immersion.****

Product Details

Brand:Samsung
Model:HW-Q600F/ZA
Size:2.2" x 40.6" x 4.1"
Color:Black
Dimensions:11.64 X 40.55 X 13.5 inches
Warranty:1 Year of Manufacturer

SAMSUNG HW-S60B 3.1ch Soundbar w/Dolby Atmos, DTS Virtual:X Q Symphony, Adaptive Sound, Game Mode, Bluetooth Connection, 2022

Image of SAMSUNG HW-S60B 3.1ch Soundbar w/Dolby Atmos, DTS Virtual:X Q Symphony, Adaptive Sound, Game Mode, Bluetooth Connection, 2022

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ DOLBY ATMOS / DTS Virtual:X: Elevate your favorite content; Dolby Atmos creates realistic 3D sound by projecting it from all around you, including from above, while DTS Virtual: X expands your listening experience without having to add extra speakers*
  • ✅ TRUE 3.1ch SOUND: Enjoy a cinematic audio experience, with 3 channels, 1 subwoofer and 2 up-firing channels combined to put you at the center of the action
  • ✅ Q-SYMPHONY: Perfectly synchronized, fully immersive audio floods your room all at once, using every speaker in compatible Samsung TV and soundbars**
  • ✅ ADAPTIVE SOUND: Enjoy dynamically optimized audio with enhanced voice clarity so you can follow along with action-packed games and blockbuster films
  • ✅ GAME MODE: Optimize your gaming experience with synced, directional audio that moves with the onscreen action and eliminates distractions***

Product Details

Brand:Samsung
Model:E1SAMHWS60BRB
Color:black
Dimensions:4.1 X 26.4 X 2.4 inches
Warranty:1 Year Manufacturer

Samsung HW-MS550 2.0 Channel Wireless Bluetooth Premium Sound+ Soundbar

Image of Samsung HW-MS550 2.0 Channel Wireless Bluetooth Premium Sound+ Soundbar

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ Connectivity Technology - Bluetooth, HDMI, USB

Product Details

Brand:Samsung
Model:HW-MS550/ZA
Color:Dark Titan
Dimensions:35.04 X 5.14 X 2.79 inches
Warranty:Limited Warranty

AH81-15439A Remote Control Compatible with Samsung Soundbar HW-B530 HW-B550 HW-B650 HW-S50B HW-C400 HW-B67E etc Series Sound-Bar Speaker System

Image of AH81-15439A Remote Control Compatible with Samsung Soundbar HW-B530 HW-B550 HW-B650 HW-S50B HW-C400 HW-B67E etc Series Sound-Bar Speaker System

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ 【Replaced Soundbar Remotes】:AH81-15047A, AH81-15183A, AH81-15184A, AH81-15340A, AH81-15439A, AH81-15498A, AH81-15944A, AH81-17332A, TM2140
  • ✅ 【Replaced Soundbar Series】:B43C, B43M, B47M, B53C, B53M, B550D, B57C, B63C, B63M, B67C, B750D, C400, C450, Q600C, Q60C, Q67CB, Q6CB, Q700C, Q750B, Q7CB, Q800C, Q800D, Q900C, Q910C, Q910D, Q930B, Q930C, Q990B, Q990C, Q990D, QS730D, S60D, S61B, S61D, S700D, S800D, S801D series
  • ✅ 【Compatible Soundbar Models】:HW-B43C, HW-B43C/ZA, HW-B43M, HW-B43M/ZA, HW-B450/ZA, HW-B47M, HW-B47M/ZA, HW-B53C, HW-B53C/ZA, HW-B53M, HW-B550, HW-B550D, HW-B550D/ZA, HW-B550/ZA, HW-B57C, HW-B57C/ZA, HW-B63C, HW-B63C/ZA, HW-B63M, HW-B63M/ZA, HW-B650/ZA, HW B67C, HW-B67C/ZA, HW-B750D, HW-B750D/ZA, HW-C400, HW-C400/ZA, HW-C450, HW-C450/ZA, HW-Q600B/ZA, HW-Q600C, HW-Q600C/ZA, HW-Q60B/ZA, HW-Q60C, HW-Q60C/ZA, HW-Q67CB, HW-Q67CB/ZA, HW-Q6CB, HW-Q6CB/ZA, HW-Q700B/ZA, HW-Q700C, HW-Q700C/ZA, HW-Q750B
  • ✅ HW-Q750B/ZA, HW-Q7CB, HW-Q7CB/ZA, HW-Q800B/ZA, HW-Q800C, HW-Q800C/ZA, HW-Q800D/ZA, HW-Q900C, HW-Q900C/ZA, HW-Q910B/ZA, HW-Q910C, HW-Q910C/ZA, HW-Q910D, HW-Q910D/ZA, HW-Q930B, HW-Q930B/ZA, HW-Q930C, HW-Q930C/ZA, HW-Q990B, HW-Q990B/ZA, HW-Q990C, HW-Q990C/ZA, HW-Q990D, HW-Q990D/ZA, HW-QS730D, HW-QS730D/ZA, HW-S50B/ZA, HW-S60B/ZA, HW-S60D, HW-S60D/ZA, HW-S61B, HW-S61B/ZA, HW-S61D, HW-S61D/ZA, HW-S700D, HW-S700D/ZA, HW-S800B/ZA, HW-S800D, HW-S800D/ZA, HW-S801B/ZA, HW-S801D, HW-S801D/ZA
  • ✅ 【Size】: Length: 16.3 cm (6.4 inches),Width: 3.6 cm (1.4 inches),Height: 1.8 cm (0.7 inches)

Product Details

Brand:WSHAITE
Model:AH81-15439A
Size:M
Color:black
Dimensions:6 X 1.5 X 0.4 inches
Warranty:6 months

Acdctek 24V AC Adapter Compatible with Samsung HW-B450 HW-B550 HW-B650 HW-C450 HW-S50B HW-Q600B HW-Q700B HW-Q60B HW-R450 HW-Q600A HW-F335 HW-F350 HW-F355 HW-F550 HW-F551 HW-FM35 SoundBar Power

Image of Acdctek 24V AC Adapter Compatible with Samsung HW-B450 HW-B550 HW-B650 HW-C450 HW-S50B HW-Q600B HW-Q700B HW-Q60B HW-R450 HW-Q600A HW-F335 HW-F350 HW-F355 HW-F550 HW-F551 HW-FM35 SoundBar Power

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ Safety protection mechanism supported: OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection).
  • ✅ Input Voltage: 100-240V 50-60Hz. Output Voltage: DC 24V. Compatible with Samsung HW-J355 HW-J370 HW-J450 HW-J550 HW-J551 HW-F335 HW-F350 HW-F355 HW-F550 HW-F551 HW-FM35 HW-FM55 HW-J7500 HW-J7501 HW-J8500 SoundBar Wireless Speaker System; HW-KM45C HW-KM45C/ZA HW-KM45C/ZC HWKM45C 35.8" 2.1 Channel Soundbar; HW-JM37C HW-JM37C/ZA HWJM37C HW-JM37 HW-JM37/ZA HWJM37 HW-JM47 HWJM47 Series AirTrack Sound Bar.
  • ✅ Compatible with Samsung HW-F550 hw-f550/zx HW-F335, HW-F350, HW-F355, HW-F550, HW-F551, HW-FM35, HW-FM55, HW-FM55C HW-F350 HWF350 / HW-F350 HW-F350/EN HW-F350EN HWF350 / HW-F335 HW-F335/ZA HW-F335ZA HW-F355/EN HW-F355EN HWH355 / HW-F355 HW-F355/ZA HWF355 /HW-F355/ZC HW-F355ZC HWF355/ZC Series Crystal Surround SoundShare SoundBar Wireless Speaker.
  • ✅ Compatible with Samsung HW-J450 HW-J450/ZA HW-J450/ZK HW-J450/EN HWJ450/ZA HWJ450/ZK HWJ450/EN HWJ450 HW-J550/ZA HW-J550/EN HWJ550/ZA HWJ550/EN HWJ550 HW-J551 HW-J551/ZA HW-J551/ZC HW-J551/ZF HW-J551/ZK HW-J551/XA HW-J551/XY HW-J551/XU HW-J551/XZ HW-J551/EN HWJ551/ZA HWJ551/ZC HWJ551/ZF HWJ551/ZK HWJ551/XA HWJ551/XY HWJ551/XU HWJ551/XZ HWJ551/EN HWJ551.
  • ✅ Compatible with Samsung HW-H550 HW-H550/ZA HW-H550/ZC HW-H550/ZF HW-H550/EN HW-H550/XA HW-H550/XU HW-H550/XZ HWH550 Sound Bar; Compatible with Samsung HW-H7500 HW-H7501 HWH-7500 HWH-7501 HWH7500 HWH7501 HW-H7500/ZA HW-H7501/ZA Curve Sound Bar HW-K450 HW-K450/ZA HWK450 HWK450ZA HW-K650 2.1 3.1 Series HW-K550 HW-K550/ZA HW-K551 HW-K551/EN HWK550 HWK550ZA HWK551 HWK551EN 3.1 Channel Wireless Audio Soundbar; Compatible with Samsung HW-M550 HW-M550/ZA HW-M550/ZC HW-M550/XA HW-M550/XU HW-M550/XP HW-M550/EN HWM550 Soundbar.

Product Details

Brand:Acdctek
Warranty:1 year warranty

HKY 24V AC Adapter Charger for Samsung HW-B450 HW-B550 HW-B650 HW-C450 HW-Q600B HW-Q700B HW-Q60B HW-Q600A HW-HM45 HW-HM55 HW-F350 HW-F335 HW-F355 HW-F550 HW-F551 Samsung SoundBar Power Cord Supply

Image of HKY 24V AC Adapter Charger for Samsung HW-B450 HW-B550 HW-B650 HW-C450 HW-Q600B HW-Q700B HW-Q60B HW-Q600A HW-HM45 HW-HM55 HW-F350 HW-F335 HW-F355 HW-F550 HW-F551 Samsung SoundBar Power Cord Supply

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ ✅【Compatible Model】SAMSUNG Q60B HW-Q60B HWQ60B HW-Q60B/ZA; SAMSUNG hw-q60c Q60C HW-Q60C HWQ60C HW-Q60C/ZA; A58C HW-A58C HWA58C HW-A58C/ZA; A55C HW-A55C HWA55C HW-A55C/ZA; A50C HW-A50C HWA50C HW-A50C/ZC; A45C HW-A45C HWA45C HW-A45C/ZA; S40T HW-S40T HWS40T HW-S40T/ZA; Q60T HW-Q60T HWQ60T HW-Q60T/ZA; Q60R HW-Q60R HWQ60R HW-Q60R/ZA; Q600C HW-Q600C HWQ600C HW-Q600C/ZA; Q600B HW-Q600B HWQ600B HW-Q600B/ZA; Q600A HW-Q600A HWQ600A HW-Q600A/ZA; A550 HW-A550 HWA550 HW-A550/ZA; A650 HW-A650 HWA650 HW-A650/ZA; B550 HW-B550 HWB550 HW-B550/ZA; B650 HW-B650 HWB650 HW-B650/ZA SoundBar Wireless Bluetooth Sound Bar Speaker
  • ✅ ✅【Compatible Model】SAMSUNG B53M HW-B53M HWB53M HW-B53M/ZA; B53C HW-B53C HWB53C HW-B53C/ZA; B63M HW-B63M HWB63M HW-B63M/ZA; B63C HW-B63C HWB63C HW-B63C/ZA SoundBar Wireless Bluetooth Sound Bar Speaker ,Replacement SAMSUNG A4024-FPN 2500498 A4024_FPN 24V 1.66A 2A Power Supply Cord
  • ✅ ✅【Compatible Model】Samsung HW-Q600C HW-F350 HWF350/HW-F350 HW-F350/EN HW-F350EN HWF350/HW-F335 HW-F335/ZA HW-F335ZA HW-F355/EN HW-F355EN HWH355/HW-F355 HW-F355/ZA HWF355/HW-F355/ZC HW-F355ZC HWF355/ZC,HW-F550 hw-f550/zx HW-F335,HW-F350,HW-F355,HW-F550,HW-F551,HW-FM35,HW-FM55,HW-FM55C Series Crystal Surround SoundBar Wireless Speaker,Samsung HW-N450 HW-N450/ZA HWN450 HW-N550 HW-N550/ZA HW-N650 HW-N650/ZA HWN650 N450 N550 N650 HW-N550/XY HW-N650/XY Panoramic HW-M430 HW-M430/ZA Soundbar
  • ✅ ✅【Compatible Model】Samsung HW-HM45 HW-HM45C HW-HM45C/ZA HWHM45C HWHM45C/ZA , HW-HM55 HW-HM55/ZA HWHM55 ,HW-HM55C HW-HM55C/ZA HW-HM55CZA HWHM55C Soundbar Active Speaker System/HW-F550/XA HW-F550/XE HW-F550/ZC HW-F550/EN P/N EE06831 /HW-F551 HW-F551/ZA HW-F551/ZC HW-F551/ZF HW-F551/EN HW-F551/XU /HW-F551/XZ /HWF551 HW-FM35 HW-FM35/ZA HWFM35ZA /HW-FM35C HW-FM35C/ZA HWFM35C /HW-FM55C HW-FM55C/ZA HW-FM55CZA HW-J355/ZA
  • ✅ ✅【Compatible Model】24V Samsung HW-H450 HW-H450/ZA DONGA HW-450 HW-J355 HW-J355/ZA HW-J355/ZC HW-J355/ZF HW-J355/CA HW-J355XU HWJ355 HW-J370 HW-J370/ZA HWJ370 HW-J450 HW-J550 HW-J551 HW-J450/ZA HW-J450/ZK HW-J450/EN HWJ450 HW-J470 HW-J470/ZA HW-J470/ZC HW-J470/ZF HW-J470/EN HW-J470/XU HWJ470 HW-H450 HW-H450/ZA DONGA HW-450 HWH450 2.1-Channel 4.1-Ch Wireless Audio Surround Home Theater Soundbar Speaker Subwoofer System;

Product Details

Brand:HKY
Model:8541760130
Color:Black
Dimensions:3.9 X 2 X 3.9 inches
Warranty:3 years

Metasources 24V AC/DC Adapter Compatible with Samsung B Series HW-B530 B550 B550/ZA B650 B650/ZA B53M B53C B63M B63C/ZA Soundbar AH81-15450A 09747A 25W Power Supply

Image of Metasources 24V AC/DC Adapter Compatible with Samsung B Series HW-B530 B550 B550/ZA B650 B650/ZA B53M B53C B63M B63C/ZA Soundbar AH81-15450A 09747A 25W Power Supply

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ Compatible with Samsung B Series B530 HW-B530 HW-B530/ZA HWB530 HWB530/ZA B550 HW-B550 HWB550/ZA HWB550 HWB550/ZA 2.1ch 360W Soundbar Sound Bar 25W DC24V 2.5A 60W 24.0V 2.50A 60.0W 24 Volt 2500mA 24 Volts 2500 mA +24V 24VDC 24.0VDC 2.5 Amp 24 V 24.0 VDC Class 2 Switching Power Supply Cord Cable PS Battery Charger Mains PSU. replaces lost or damaged power cords for these classic models
  • ✅ Compatible with Samsung B650 HW-B650 HW-B650/ZA HWB650 HWB650/ZA 3.1ch Soundbar w/Dolby Audio; B53M HW-B53M HW-B53M/ZA HWB53M HWB53M/ZA 2.1ch B53C HW-B53C HW-B53C/ZA HWB53C HWB53C/ZA 5.1ch Soundbar; B63M HW-B63M HW-B63M/ZA HWB63M HWB63M/ZA 3.1Ch B63C HW-B63C HW-B63C/ZA HWB63C HWB63C/ZA 5.1Ch 400W Soundbar 24V 25W; Model AH81-09747A AH8109747A AH81-15450A AH8115450A Power Supply
  • ✅ Input 100-240V AC, 50/60Hz; supports global voltage for international use; reliable performance for home or travel; FCC approved and safety certified; built-in overcurrent protection (OCP); short-circuit protection (SCP); overvoltage protection (OVP) for safe use
  • ✅ Durable and convenient design; offers extended reach and flexibility for daily use, ideal replacement for original power supply
  • ✅ Includes 1 AC Adapter + 1 Power Cord; backed by 24-month exchange warranty for peace of mind

Product Details

Brand:Metasources
Model:Model HW-B530 HW-B550 Power Supply
Color:Black
Dimensions:6 X 4 X 2 inches
Warranty:30 Days Refund, 24 Months Exchange

SAMSUNG HW-C400 2.0 Channel Sound bar with Built-in Woofer 110-240 Volt

Image of SAMSUNG HW-C400 2.0 Channel Sound bar with Built-in Woofer 110-240 Volt

@ Amazon.com

Shop on Amazon

Key Features

  • ✅ Dolby Audio / DTS 2.0 Channel - Dolby Audio & DTS turns your living room into a theater, creating a rich surround sound experience. Feel like you're part of the scene with sharp, realistic sound. Built-in woofer - Intense bass, without a separate woofer. The all-in-one soundbar comes equipped with two built-in woofers and a sound duct, which intensifies the bass by using air vibration. *Compatible mobile device only.
  • ✅ Bluetooth Connection - Connect via Bluetooth and enjoy your favorite content without unsightly cables. Streaming music via Bluetooth - Connect your devices via Bluetooth for a rich audio experience. Near Field Connection (NFC) - Listen to your favorite music through the soundbar by placing your smartphone over the Near Field Communication (NFC) symbol to initiate connectivity.
  • ✅ USB music playback - Enjoy playing music anytime with an integrated USB 2.0 port that allows you to plug in your memory device, select your music list and hit play.
  • ✅ Remote Included, 110-240 Volt for Worldwide use

Product Details

Brand:Samsung
Model:HW-T400/ZN
Color:Black
Dimensions:4.2125984209 X 25.2362204467 X 2.5590551155 inches
Please share this:

Facebook         Twitter         Linkedin         Pinterest        

Leave a Reply

Your email address will not be published. Required fields are marked *