BGVP NS9 VS Hidizs MP145

IEM Comparison: Expert & Community Scores Side-by-Side

Home Ranking Compare IEMs

BGVP NS9 and Hidizs MP145 use 2DD+7BA and 1Planar driver setups respectively. BGVP NS9 costs $170 while Hidizs MP145 costs $199. Hidizs MP145 is $29 more expensive. Hidizs MP145 holds a decisive 3.1-point edge in reviewer scores (4.2 vs 7.3). Hidizs MP145 has significantly better bass with a 4.5-point edge, Hidizs MP145 has significantly better mids with a 4.8-point edge, Hidizs MP145 has significantly better treble with a 4.6-point edge, Hidizs MP145 has significantly better dynamics with a 4.9-point edge, Hidizs MP145 has significantly better details with a 5.2-point edge and Hidizs MP145 has significantly better imaging with a 4-point edge.

Insights

Metric BGVP NS9 Hidizs MP145
Bass 3 7.5
Mids 2 6.8
Treble 2 6.6
Details 3 8.2
Soundstage 4.2 7.5
Imaging 3 7
Dynamics 3 7.9
Tonality 2.3 7.3
Technicalities 3 7.4
Take these comparisons with a grain of salt—we don't have enough BGVP NS9 and Hidizs MP145 reviews saved yet to provide an unbiased result.

BGVP NS9 Aggregated Review Score

Average Reviewer Scores

Precogvision
Super* Review
Head-Fi.org

Average Reviewer Score:

4.2

Unfavorable

Hidizs MP145 Aggregated Review Score

Average Reviewer Scores

Jays Audio
Audionotions Web Search
Head-Fi.org

Average Reviewer Score:

7.3

Generally Favorable

Reviews Comparison

BGVP NS9 reviewed by Head-Fi.org

Head-Fi.org 6.3 * score rescaled + normalized
16 community members have rated the BGVP NS9 at an average of 3.4/5 on Head-Fi. Overall sentiment: Cautiously Favorable.

URL to full Review

Head-Fi.org original ranking

Hidizs MP145 reviewed by Head-Fi.org

Head-Fi.org 8.5 * score rescaled + normalized
31 community members have rated the HIDIZS MP145 at an average of 4.5/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

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BGVP NS9 (more reviews)

BGVP NS9 reviewed by Super* Review

Super* Review 4* * score rescaled + normalized
check links for more info:

Super* Review original ranking

Super* Review Youtube Channel
YouTube video thumbnail

BGVP NS9 reviewed by Precogvision

Precogvision 2.4 Reviewer Score
E+ Tuning
D Tech
Treble extension taken too far. No, really. It hurts to listen to this one.

Precogvision original ranking

Precogvision Youtube Channel
Bass: D Mids: E+ Treble: E+ Dynamics: D Details: D Imaging: D

Hidizs MP145 (more reviews)

Hidizs MP145 reviewed by Audionotions

Audionotions 7 Reviewer Score
One of the best IEMS under $300. Shells look large but fit is surprisingly good and very comfy. Tuning nozzles actually work - I like the balanced setting but all of them sound good. Great techs, great tuning. Can't really ask for more for what they cost.

Audionotions original ranking

Website (Audionotions)

Hidizs MP145 reviewed by Jays Audio

Jays Audio 6.5 Reviewer Score
A Tuning
A Tech
A less sharp and sizzly HeyDay. All-rounder sound with good tech. Tamer Harman/df. Solid all-rounder.

Jays Audio original ranking

Jays Audio Youtube Channel

Hidizs MP145 reviewed by Web Search

uses AI-Search to turn user, reddit and head-fi reviews into clear, concise summaries.
Web Search 7.2 Reviewer Score
A- Tuning
A- Tech

Hidizs MP145 is a single-driver planar IEM built around a 14.5 mm planar magnetic transducer (30 Ω, ~104 dB/Vrms), housed in a milled aluminum shell. It ships with screw-on tuning filters that make modest shifts to bass/treble balance rather than rewriting the signature. Hidizs markets the MP145 as calibrated toward the H-2019 target and lists a $199 MSRP (often discounted on the official store).

Sonically, the MP145 presents a U-shaped tuning with an audible sub-bass lift, restrained upper-mid gain, and treble that’s energetic but can show a ~5 kHz edge with a bit of upper-treble sparkle depending on the filter used. Resolution and separation are solid for the price, with fast planar transients and convincing macrodynamic impact; staging is average-wide but imaging locks in positions cleanly. Independent measurements/reviews note the filter set’s subtle effect, good detail retrieval for the bracket, and only moderate air/extension versus the best planars.

Build quality is robust, though the large shells and thick nozzle may challenge smaller ears; weight is ~9.5 g per piece and isolation is decent when sealed well. Given frequent street prices around $129–$159 on the brand store, value is strong for those wanting planar speed with a fun, sub-bass-tilted balance; just don’t expect expansive stage or the most airy treble. Overall, MP145 reads as a well-executed, filter-tweakable planar that prioritizes punch and clarity over ultimate refinement.

Bass: A Mids: B+ Treble: B+ Dynamics: A Soundstage: A Details: A+ Imaging: A-

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BGVP NS9 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Hidizs MP145 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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BGVP NS9 Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

2.8

Gaming Grade

D-

Hidizs MP145 Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

7.4

Gaming Grade

A-

BGVP NS9 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

E+
  • Balance is severely off, producing a harsh, unpleasant listen regardless of genre. Long sessions quickly become exhausting.

Average Technical Grade

D
  • Details smear quickly, leaving the presentation cramped and low on definition. You'll notice smearing on even moderately layered songs.
Bass D
It hints at bass presence but never quite delivers satisfying punch. Percussion lacks a satisfying weight.
Mids E+
The mids come across papery and weak, draining warmth from the mix. Acoustic tracks sound brittle and distant.
Treble E+
Highs sound subdued and short on sparkle, hiding fine detail. Metallic instruments lose their bite.
Dynamics D
Dynamics sound noticeably compressed, muting contrast between quiet and loud. Transients feel blunted and slow.
Details D
The overall picture is serviceable yet stripped of the tiny flourishes that add realism. Layering lacks consistent clarity.
Imaging D
Stereo cues appear but wobble, leaving the panorama feeling imprecise. Center image lacks solidity.
Gaming D-
Compromised imaging significantly impacts gameplay awareness. Directional cues often lack accuracy or consistency.

Hidizs MP145 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A-
  • The tonal character feels settled and versatile, with just a few gentle bumps. You can listen for hours without fatigue.

Average Technical Grade

A-
  • The presentation feels orderly, balancing workable detail retrieval with acceptable imaging cues. It keeps momentum without smearing transients.
Bass A
Expect a commanding bass response that reaches deep without clouding the mix. There's both slam and nuance in equal measure.
Mids B+
It offers engaging mid frequencies with pleasing clarity and layering. Details emerge without becoming harsh.
Treble B+
Expect crisp, well-balanced treble that keeps shimmer intact. You hear reverbs decay naturally.
Dynamics A
Dynamic performance is excellent, combining sharp transients with strong contrast. Transients snap with authority.
Soundstage A
Immersion steps up dramatically as width, depth, and height integrate into a cohesive hologram. Everything sounds naturally spaced.
Details A+
Exceptional resolution that uncovers the deepest layers while maintaining natural timbre. It uncovers hidden layers with ease.
Imaging A-
Spatial cues respond immediately, reflecting every movement in the mix. Spatial cues respond instantly to the mix.
Gaming A-
Good fundamental spatial awareness for most gaming scenarios. Handles basic positioning well but may lack nuance in complex situations.

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