The Soundcore app is repeatedly called stable and genuinely useful, with fast connection, firmware updates, lighting control, and rich audio/karaoke settings that are easy to navigate.
Battery life lands between acceptable and very good, with several reports near the 20-hour claim and others closer to 16 to 17 hours in real use.
Battery life is advertised around 12 hours, but multiple reviews call it average for the size; with lights, BassUp, and higher volume, real-world endurance is often closer to a single party session (roughly mid single-digits of hours).
Codec support is a point of disagreement in the reviews, ranging from claims of LDAC and aptX-class support to complaints about only SBC and AAC, so expectations here should stay cautious.
Bluetooth audio codec support is limited (SBC is commonly cited, with AAC also mentioned), and reviewers explicitly call out the absence of higher-resolution options like LDAC/aptX.
Most reports describe stable day-to-day playback once connected, though one review noted frustrating pairing behavior with a Pixel phone.
Bluetooth performance is generally described as stable with low video lag; however, a few users mention occasional quirks (like multipoint handoffs or brief dropouts/behavior changes when powering mics).
Wireless reach is a recurring strength, with cited ranges up to 165 feet and at least one real-world test holding through multiple walls.
Fast charging is a consistent plus, with repeated claims of about two hours for a full charge and roughly four hours of playback from a short top-up.
Charging is commonly described as slow for the category, with about a 6-hour full recharge cited by multiple reviewers.
When two speakers are paired, reviewers describe the overall presentation as well integrated, natural, and musically satisfying despite the compact scale.
Physical buttons feel solid and tactile when pressed, even if the hidden-through-grille layout is not always intuitive.
Design is one of the strongest areas, with near-universal praise for the finish quality, compact hi-fi look, and broad choice of colors.
Build and styling are broadly praised as sturdy and modern, with a metal grille, textured housing, and thoughtful touches like mic holders and rubber rails for horizontal/spatial mode.
Detail is decent to strong for the class, with stereo use in particular revealing subtle textures, though bass-heavy tuning can obscure finer information on some material.
Limited evidence suggests TV dialogue is clear in small spaces, particularly over AUX, but this is not the speaker's primary use case.
Single-speaker listening can sound strained or boomy at louder levels in some reviews, but others say it stays composed better than expected, especially in stereo or at moderate distances.
Cleanliness at high volume is mixed: some reviewers report it staying composed with BassUp, while others hear high-frequency fuzz or bass/sub-bass distortion when pushed to maximum levels, especially outside.
Dynamic punch is one of the speaker's highlights, with multiple reviews praising its ability to sound energetic and expressive for such a small cabinet.
Lack of app-based EQ is a recurring complaint, leaving listeners stuck with Morel's fixed tuning unless they adjust sound on the source device.
EQ is a strong point: reviewers highlight multiple presets, a detailed 9-band EQ, BassUp, and vocal effects controls that make it easy to tailor both music and karaoke sound.
Consensus is a warm, bass-forward tuning with crisp highs and solid mids; some reviewers find it balanced and engaging, while others think the low end overpowers subtler detail.
Tuning favors party impact with strong bass and a forward, energetic sound; several reviewers note the deepest sub-bass and the very top end are less refined, but EQ and BassUp let you rebalance for different genres.
The faux-leather handle is sturdy and useful for carrying, though some reviewers think it dominates the look or leaves unattractive holes if removed.
The built-in handle helps, and mic storage is integrated, but multiple reviewers wish for additional handles or wheels; a few note the single-handle carry can feel awkward depending on how far you walk.
It can work as a small-room TV speaker, especially via AUX or as a stereo pair, but it lacks the connectivity and low-latency polish of purpose-built TV audio gear.
Inter-speaker connectivity is a key feature: reviewers mention Auracast/Oracast for linking speakers and the ability to create a stereo setup with a second Rave 3S.
For video use, reviewers generally report low perceived latency over Bluetooth, and some use the speaker as a simple TV/audio source via AUX when needed.
The LED light show is frequently praised as bright and customizable, with multiple presets and app control (including dimming/off options); lights are most visible from the front and can noticeably reduce battery life.
Reviews consistently say Biggie plays surprisingly loud for its size and can fill rooms or patios, though that output often comes with extra bass weight rather than pure refinement.
Across reviews, the Rave 3S is described as extremely loud for its size (200W class output) and easily fills small-to-medium rooms; it is still capable outdoors, though a few testers found it less dominant in open spaces versus larger, wheeled party speakers.
At least one review found the lowest volume step still too loud and bass-heavy for discreet listening.
Stereo and TWS pairing are described as easy and transformative when two units are used, with several reviewers strongly preferring the pair over a single speaker.
It supports linking multiple speakers (Auracast/Oracast) and can form a stereo pair; direct long-term reliability reports are limited, but the feature is consistently present and straightforward to access in controls/app.
Multipoint is supported in several reviews, allowing two devices to stay connected; switching works most of the time, though one tester reported occasional awkward handoffs in a busy party scenario.
The control scheme is functional but divisive: buttons themselves feel decent, yet hiding them behind the grille and using awkward battery shortcuts hurts usability.
The USB-C port is presented as capable of topping up a phone, but one reviewer could not get it working reliably, so this feature looks inconsistent.
The speaker does not function as a power bank; the USB-C port is for charging the speaker itself, not for charging phones or other devices.
Simple Bluetooth and AUX operation is a clear strength; setup is generally fast and low-friction, and stereo pairing is described as straightforward.
Setup is consistently described as easy: microphones auto-connect, on-speaker buttons mirror app controls, and most karaoke/light features can be used without deep configuration, aside from optional app tuning.
Biggie deliberately keeps features minimal, which some reviewers enjoy for the simplicity and others see as a major weakness next to smarter rivals.
Smart/party features are the headline: AI vocal removal with adjustable strength (and in some cases an auto guide mode), vocal enhancement/reverb controls, and a spatial mode for wider playback; some reviewers note minor artifacts or level changes when the AI is active.
Multiple sources note there is no speakerphone/calling feature, which is typical for this kind of party speaker.
The LED battery indication is widely criticized as imprecise, awkward to activate, and occasionally glitchy.
Several reviews appreciate the on-speaker battery/status indicators and the clear battery percentage readout inside the app.
One Biggie is mono, but paired units earn strong marks for precise placement, separation, and a surprisingly convincing stereo spread.
Out of the box it is primarily a mono, front-firing party speaker; laying it on its side enables a spatial mode that widens presentation, and true left/right stereo is achieved by pairing two units.
USB-C charging is standard and generally praised for convenience, though it is used for power rather than digital audio input.
Value depends on priorities: supporters see premium build and sound as worth $299, while critics think cheaper rivals deliver better portability and features.
Value is a standout theme: the price is repeatedly justified by the included dual wireless mics, AI karaoke features, loud output, and customizable lighting, even with compromises in codecs, portability, and battery.
Reviews that focused on vocals describe a clear vocal band with good breath detail, especially when two speakers are used.
Vocal intelligibility for music is generally good, but karaoke mic output varies by reviewer: some praise the included mics, while others note a noise gate/limiter, proximity sensitivity, or low-level hiss/static.
Reviewers repeatedly note there is no meaningful water protection, making the speaker a poor fit for poolside, beach, or rough outdoor use.
Protection is splash-level only (IPX4 in multiple reviews): fine for spills or light rain, but not intended for submersion or heavy weather.
At about 5.7 pounds, Biggie is portable in theory but widely seen as better suited to desk, shelf, or patio duty than true travel use.
At roughly 23 lb, most reviewers consider it manageable for short carries but not convenient for frequent transport; the lack of wheels is a recurring complaint.
The 3.5 mm AUX input is consistently noted as a welcome fallback for wired playback, even if it does not materially upgrade sound quality.
Connectivity is flexible for a karaoke boombox: reviewers cite a 1/4-inch mic/guitar input with gain controls plus a 3.5mm AUX input, alongside Bluetooth and USB-C charging; there are no TV-style ports like HDMI.