HeartField CU8 - 3.5MM vs JBL Tune Beam 2

Every tracked fact about the two, side by side - prices, history lows, ratings and measured tuning. No verdict: which one to buy is the visitor's decision, always.

Not this pair? Swap either side:

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Open head-to-head

HeartField CU8 - 3.5MM heartfield Now ₹38,218 at Linsoul Lowest on record ₹37,933 on Thursday, 22nd Oct, 2026 ★★★★★ 4.6 4.6 · 5 reviews Full prices & history

JBL Tune Beam 2 JBL Now ₹5,000 at The Revolver Club At its lowest recorded price Full prices & history

What is being compared

Both sides are in-ear monitors. The rows below are the facts each store publishes for this shelf - driver arrangement, impedance, sensitivity, plug and connectivity. A dash means the listing does not state that spec.

Spec heartfield JBL

Sensitivity — 97dB

Connectivity Wired Wired earphones

Plug 3.5mm —

Measured tuning, side by side

Both curves are real community measurements (gold: heartfield · ink: JBL). Each is level-aligned to its own 200 Hz–1 kHz mean, so rig offsets don't skew the comparison.

heartfield JBL

Tuning distance ±1.64 dB RMS 90% match - Very close. Computed on a shared 40-point log grid, 20 Hz–10 kHz. A measurement-space fact, not a promise two ears agree.

Bass · 20–250 Hz heartfield +0.5 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means heartfield plays louder there on the measured files; minus means JBL does.

Mids · 250–2,000 Hz heartfield +0.4 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means heartfield plays louder there on the measured files; minus means JBL does.

Treble · 2,000–10,000 Hz heartfield +0.6 dB Average level difference in this band, both curves aligned to their own 200 Hz–1 kHz mean. Plus means heartfield plays louder there on the measured files; minus means JBL does.

What a curve cannot seeBuild, driver QC unit-to-unit, comfort, isolation, accessories, warranty and resale value sit outside the graph - usually what the pricier one is charging for.

Price over the last 30 days

Daily lowest price across every tracked store, from the site's own price history. The line is one product's own range - the two cards are not drawn to a shared scale.

HeartField CU8 - 3.5MM Now ₹38,218 at its 30-day median Lowest on record ₹37,933 on Thursday, 22nd Oct, 2026 In stock at 1 tracked store

JBL Tune Beam 2 Now ₹5,000 at its 30-day median Lowest on record ₹5,000 on Tuesday, 22nd Sept, 2026 In stock at 1 tracked store

Price gap right now ₹33,218 87% of the dearer one's price.

Stores with it in stock 1 vs 1 Active stores carrying each one right now - more stores usually means easier replacement and a steadier price.

The decision, factually

Cheaper right now JBL Tune Beam 2 Lowest current price across all tracked stores - ₹5,000 vs ₹38,218.

Deepest discount ever seen JBL Tune Beam 2 From each product's own recorded price history.

This page reports facts and expresses no opinion on which to purchase.

Keep going

EQ preset: heartfield EQ preset: JBL All IEMs More comparisons