Compare SIVGA SV021 Robin vs FiiO FT13

The Robin delivers an energetic, warm and engaging sound that many listeners find unusually enjoyable for the price. Its appeal is taste-dependent because bass weight and bright treble can overpower refinement.

The FT13 can sound spacious, punchy, detailed, and highly engaging, but the stock tuning is polarizing. Strong bass and technical ability are offset by recessed mids and treble that ranges from merely bright to harsh and fatiguing.

The Robin’s lively V-shaped tuning favors bass and treble over strict neutrality. Fans call it fun and versatile; critics find the response uneven, colored and unsuitable for monitoring.

Tonal balance is the FT13’s most consistent weakness. Many reviewers heard an exaggerated V/U shape with elevated bass and uneven, sharp treble, and several considered EQ or damping necessary for a more natural balance.

Passive isolation ranges from decent to surprisingly weak depending on seal and fit. It can reduce fans and household noise, but it is not a dependable substitute for ANC in loud environments.

Passive isolation ranges from decent to very good when the fit seals properly, with pad choice making a noticeable difference. Poor coupling on smaller heads can reduce both isolation and bass consistency.

Leakage is generally low enough for home use, though some reviewers hear more escape than expected from a closed-back design. Seal and cup venting appear to influence the result.

One measurement-focused review found that nearby people can faintly hear playback even at ordinary levels, so the closed-back design is not completely private.

Soundstage is frequently praised as wide and airy for a closed-back headphone, with useful depth for games and music. A few reviewers instead find it intimate or cramped.

The FT13 is unusually spacious for a closed-back headphone, with many reviewers describing a wide, open, or even holographic stage. A few found the stage only average or somewhat unnatural despite its width.

Gaming is a standout use case thanks to comfort, punch, spaciousness and useful positional detail. It works especially well for long single-player or casual sessions, though a microphone requires an add-on.

Gaming is a notable strength: the wide stage, strong separation, energetic dynamics, and clear directional cues make footsteps and positional effects easy to follow. Several reviewers specifically recommended it for FPS and cinematic games.

Bass is usually described as warm, punchy and satisfying, especially for casual listening and games. The main disagreement is control: some hear tight, textured lows, while others hear bloated, muddy bass that masks the mids.

Bass is a major strength for impact, extension, and slam, but pad choice changes it dramatically. Leather usually tightens the low end, while suede can turn the bass richer, boomier, or outright overwhelming for some listeners.

One owner heard the drivers crinkle whenever head movement changed the pad seal, making an otherwise comfortable fit distracting.

One reviewer noted that the suede pads can squeak when rubbing against glasses, a small but audible fit-related annoyance.

Games and music can feel unusually engaging for a budget closed-back, with strong low-end impact and enough spatial depth to create an immersive presentation.

The large driver, deep bass, and spacious presentation can make music feel vivid and immersive, especially on rhythm-heavy and atmospheric tracks.

The understated wood-and-metal styling appeals to gamers who want something classier than flashy, LED-heavy headsets.

The glossy wood finish can look striking, but one reviewer found it unusually prone to fingerprints and dust, making the presentation less understated in daily use.

High-volume listening exposes the Robin’s biggest sonic weakness: treble can become sharp, sibilant or painful, and bass may lose control. Moderate volume is consistently safer.

One reviewer found the FT13 remained equally convincing at medium and high volumes, with greater apparent detail and dynamic width as level increased.

The long cable, cable noise, soft pouch and limited isolation make the Robin better suited to home use than commuting. Careful walking or office use is possible with a replacement cable.

The woven case can carry the headphones plus extra source gear with room to spare, making transport practical despite the FT13’s large footprint.

The included pouch is pleasant for storage and scratch protection, but most reviewers do not consider it a true protective travel case.

The included hard case is consistently liked for its premium look, tactility, and organized storage for the cable and adapters. Its size reflects the headphones’ bulky, non-folding design.

Headband padding is adequate for many because the headphone is light, but it is much less plush than the earpads. Larger heads are more likely to notice pressure from the thin band.

The revised headband is generally praised for softer, broader padding and better pressure distribution than the FT1. One reviewer still thought a cheaper FiiO model used better padding.

The braided stock cable looks and feels upscale to many reviewers, but cable noise and premature failures recur often in customer feedback. Replacement cables are commonly recommended.

The thick modular stock cable is widely praised for its premium feel, supple handling, low microphonics, and useful terminations. Several reviewers said there was little reason to replace it.

The cable, 6.35mm adapter and soft pouch cover basic home-listening needs. The package is functional rather than lavish, and the lack of a hard case is the common omission.

The package is unusually generous for the price, with two pad sets, a premium modular cable, multiple adapters, a case, and smaller extras. Reviewers consistently treat the bundle as a major value advantage.

Earpad replacement is described as simple on the reviewed sample, using a clean bayonet-style release. Replaceability helps offset concerns about pad wear.

The quick clip-on pads are easy to swap for many users and offer meaningful tuning choices, but the proprietary system limits third-party options. Several reviewers also worry the small clips may be fragile.

The cups tilt but do not offer full swivel or folding. Soft pads compensate for many users, though the limited movement contributes to fit problems for some head shapes.

The cups provide ample tilt and swivel for most heads, helping the large pads settle into a comfortable seal.

The cups do not fold and have limited rotation, so the Robin is mainly a home or desk headphone. A few users still find it portable enough for careful carrying.

The FT13 does not fold and needs a fairly bulky case, so it is much better suited to home or desk use than compact travel.

The Robin can reach strong listening levels from modest sources, including controllers and small amplifiers. Weak laptop or phone outputs may sound quieter or thinner.

The FT13 can reach very high listening levels from relatively weak sources, so lack of volume is not a concern.

Imaging and separation are often impressive for the price, helping both gaming cues and layered music. Complex or bass-heavy passages can become less organized and blur individual parts.

Separation is one of the most consistent technical wins. Busy mixes remain organized, with vocals, instruments, and ambient layers clearly divided even when the tuning itself is divisive.

The light clamp can keep the Robin comfortable, but it also makes stability inconsistent. Smaller heads are most likely to experience slipping or a loose seal.

The fit is secure enough for normal listening, but one reviewer found it too loose for running or jogging. The FT13 is not designed as an active-use headphone.

The thick memory-foam pads are exceptionally soft and deep, often preventing ear contact with the driver. Heat, compression and covering separation are the main pad-related complaints.

Both lambskin and suede pads feel soft and premium, with suede often winning on plushness. Pad material also meaningfully changes the tonal balance.

Wood cups, metal parts and soft upholstery give the Robin a distinctly premium feel for its price. That impression can fade when cable, pad or finish issues appear.

Materials, woodwork, cable, and general presentation repeatedly make the FT13 feel more expensive than its price. Reviewers consistently see this as a physical step up from the FT1.

Most owners enjoy the Robin’s combination of comfort, styling and lively sound, and many call it a favorite. Dissatisfaction is concentrated around tuning preferences, fit and failures after purchase.

Overall satisfaction depends heavily on tuning preference: some reviewers love the energy, bass, and spaciousness, while others find the stock sound fatiguing or incoherent. Modding or pad changes can materially improve the experience for some.

The Robin is generally easy to drive from laptops, phones, dongles and console controllers. Better amplification can add some separation or low-end control, but most reviewers found expensive power unnecessary.

The FT13 works from modest sources, yet several reviewers heard cleaner, wider, or more controlled results from better amplification. Source character can also shift how aggressive the treble feels.

The detachable dual-entry cable and adapters provide useful wired flexibility, including aftermarket balanced-cable options. The uncommon connector arrangement may make replacements less convenient.

The modular cable and included 3.5mm, 4.4mm, 6.35mm, and XLR options make the FT13 unusually easy to integrate with portable and desktop gear. Connectivity is one of the package’s clearest strengths.

The adjustment hardware usually feels secure, but the sizing range divides owners. Smaller heads often cannot shorten the headband enough, while some larger heads dislike how the basic band distributes weight.

The mechanism itself is smooth and secure, but its size range skews large. Multiple reviewers using the smallest setting warned that small-headed listeners may struggle to get a proper seal.

Treble supplies sparkle, air and impressive detail, but it is the most polarizing part of the sound. Sibilance, sharp peaks and fatigue appear repeatedly, especially on bright recordings or at higher volume.

Treble is the main source of disagreement and criticism. It can sound airy, detailed, and exciting, but many reviewers found peaks that become sharp, coarse, sibilant, or fatiguing—especially with lambskin pads.

The soft pads generally maintain comfort and a usable seal with glasses. Fit still depends on head size and frame shape.

Seal changes from glasses appear relatively manageable for a closed-back design, although any broken seal can reduce bass. The overall effect was considered less severe than expected.

Recommendations are enthusiastic for comfort-first listeners who enjoy energetic tuning, gaming and attractive materials. Neutrality seekers, treble-sensitive listeners and buyers prioritizing proven durability are often told to look elsewhere.

Recommendations are sharply split. Enthusiasts who enjoy energetic, bass-rich sound and strong technical performance often recommend the FT13, while treble-sensitive or neutrality-focused reviewers steer buyers toward smoother alternatives or the FT1.

Detachable leads make cable replacement and swapping straightforward, a valuable benefit given the stock cable complaints. The dual 2.5mm arrangement is less common than standard single-entry designs.

The modular cable system makes changing between balanced and single-ended terminations quick and convenient without replacing the whole cable.

The midrange is the most common tuning compromise. Some hear clear, detailed vocals, but many describe lower mids as recessed, distant or masked by bass.

Midrange opinion is mixed: detail and vocal intelligibility are often good, but the V-shaped tuning can push voices and instruments behind the bass and treble. Several reviewers wanted more body, warmth, or forward presence.

Many reviewers hear strong detail retrieval for a closed-back headphone at this price, especially in treble, games and simpler arrangements. Heavy bass and recessed mids can hide information in dense tracks.

The large driver can expose fine textures, small transients, and low-level information very clearly. Some reviewers caution that elevated treble can exaggerate the impression of detail rather than render it naturally.

The wired design worked plug-and-play across multiple tested sources, including computers, consoles and controllers.

The FT13 works across laptops, phones, portable players, desktop amps, and other analog sources, giving it broad practical compatibility without a platform lock-in.

Closed cups and protein-leather pads trap heat during long sessions, and humid-weather users report substantial sweat. This is a notable drawback for summer, workouts and non-air-conditioned rooms.

One reviewer found the suede pads noticeably warm during long sessions, suggesting they may trap more heat than the other pad options.

The light clamp helps comfort, yet fit is highly head-dependent. Some get a secure, pressure-free seal, while smaller heads can experience looseness and larger heads may feel concentrated pressure.

Clamp is usually described as moderate, secure, and comfortable, with enough pressure to hold the headphones without jaw fatigue. Fit can still become too loose on smaller heads.

Real wood, metal hardware and tidy finishing make the Robin feel unusually substantial for the price. A smaller group reported rattles, cosmetic flaws or quality-control problems that undercut that premium first impression.

Build quality is one of the strongest areas of agreement: the wood cups, frame, yokes, and general fit and finish repeatedly feel sturdy and upscale. A few isolated hardware concerns do not outweigh the broad praise.

Plush pads, low weight and gentle pressure make long sessions a major strength for most owners. A minority report crown pressure, poor fit or heat that eventually reduces comfort.

Most reviewers found the FT13 comfortable for long sessions despite its size and weight, crediting roomy pads and improved headband padding. The main exception is fit geometry on smaller heads or individual head shapes.

Long-term reliability is the clearest ownership risk. Repeated reports mention failed cables, one-sided audio, peeling pads, loose coverings and breakdowns within months, despite strong initial build impressions.

Durability concerns center on the proprietary earpad clips and an isolated yoke creak. The core chassis feels sturdy, but repeated pad swapping may be harder on the small plastic retention parts.

Its roughly 275-gram weight is widely praised for reducing fatigue and helping the plush pads feel almost weightless. The lightweight feel occasionally reads as cheap to a few buyers.

Although the FT13 is not especially light, its broad headband, pads, and moderate clamp distribute the mass well enough that most reviewers did not find the weight burdensome.

The natural wood cups and coordinated metal-and-leather look are among the Robin’s most consistently praised qualities. Reviewers often say it appears far more expensive than its price.

Purpleheart wood gives the FT13 a distinctive, premium identity that most reviewers found beautiful or striking. A minority disliked the very glossy coating, calling it plasticky or overly shiny.

The wood construction, comfort and lively performance make the Robin feel like strong value around its usual price. Reliability complaints are the main reason some owners no longer consider it a bargain.

The physical package, accessories, build, and technical performance often justify the roughly $300 price, but value opinions become mixed once tuning is considered. The much cheaper FT1 remains a recurring comparison point.

The analog connection system is exceptionally flexible, with reviewers praising how easily the FT13 plugs into common headphone outputs through its modular cable and adapters.

One owner reported excellent performance with an LG G8X, though phones without a headphone jack may still need an adapter.

One measurement-focused reviewer found channel matching below 300Hz less consistent than ideal, making this a minor quality-control concern rather than a broad complaint.

The optional boom microphone installs quickly and clicks into place, though the attachment can rotate during animated use.

Most reviewers found the 32-ohm FT13 easy to run from phones, laptops, dongles, and portable players, often to very high levels. A small minority preferred or required stronger amplification for best results.

Imaging is repeatedly strong, with instruments, vocals, and game cues occupying stable, easy-to-locate positions. This precision is one of the FT13’s better technical qualities.

The optional boom microphone is removable and converts the headphone into a gaming headset without a complicated setup.

The highly glossy wood finish shows fingerprints and dust easily, so keeping the cups looking pristine may require frequent wiping.

Replaceable pads improve serviceability, but some owners describe failed glued components or nonstandard interfaces as difficult to repair. Repair prospects therefore depend heavily on the part that fails.

Testing on Xbox Series S produced strong gaming detail, dialogue clarity and an easy wired setup.

With the optional boom-mic cable, the inline volume and mute controls are simple and work well.

The optional boom mic keeps speech intelligible, but the captured voice can sound thin or hollow and may lose lower-register body.

Setup remains straightforward for a passive wired headphone; the only extra step is choosing among the unusually broad set of cable terminations.

Several owners describe unanswered warranty messages or unhelpful support after cable, pad or driver failures. This is a repeated concern rather than an isolated complaint.

Dynamics are a standout strength, with reviewers repeatedly praising slam, macrodynamic impact, transient energy, and the ability to keep compressed modern music lively.

The optional boom mic is sensitive enough to pick up background noise, so its noise rejection is limited.

One reviewer heard a creak from the left yoke while adjusting the earcup. It did not occur during wear, but it is a small mechanical concern.

The use of real leather and suede is a deal-breaker for reviewers who want vegan materials. No alternative animal-free pad option was included in the reviewed package.