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GRS 10S-8 – 4″ 25W Woofer, 8 Ohm – Specs & Price

GRS 10S-8 8Ω

LF Driver

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Media

GRS 10S-8 4 inch 8 ohm loudspeaker driver view 1

GRS 10S-8 4 inch 8 ohm loudspeaker driver view 2

GRS 10S-8 4 inch 8 ohm loudspeaker driver view 3

GRS 10S-8 4 inch 8 ohm loudspeaker driver view 4

GRS 10S-8 4 inch 8 ohm loudspeaker driver view 5

GRS 10S-8 4 inch 8 ohm loudspeaker driver view 6

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Overview

LF Driver

GRS 10S-8

GRS 10S-8 is a 4" 8 ohm LF driver rated at 25W RMS. The validated T/S data includes Fs 151Hz, Qts 1.65, Vas 1.8L, Xmax 1.5mm, sensitivity 86.7dB, plus 8cm³ Vd and 72 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £7.39.

Size

4"

Impedance

8Ω

RMS Power

25W

Sensitivity

86.7dB

EBP

72

Either alignment

V_d

8cm³

T/S Parameters

Valid

Canonical

Fs151Hz

Qts1.65

Qes2.10

Qms7.7

Vas1.8L

Re7.2Ω

Le0.21mH

BL2.8Tm

Sd53cm²

Mms2g

Xmax1.5mm

SPL87dB

Power25W

Impedance8Ω

F Low150Hz

F High20Hz

Voice Coil15mm

What this validation status means

Pricing & availability

Price definitions

Price movement

Other offers

1 vendor

Updated 11 Sept 2026· 8Ω

Source: inc VAT

Best current price

Updated 11 Sept 2026

partsexpress

£7.39

inc VAT·224 in stock

Use this driver

Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.

Files use canonical values. Required mechanical fields are derived only where the target format needs them.

Hornresp

.txt · Hornresp driver database

Driver file ready to place in Hornresp’s Drivers folder.

Download for Hornresp

WinISD

.wdr · WinISD driver editor

Native WinISD driver record with the required SI conversions.

Download for WinISD

BASTA!

.bastaelement · BASTA! loudspeaker simulator

Native BASTA! element file using its documented SI-unit fields.

Download for BASTA!

VituixCAD

.wdr · VituixCAD 2 Enclosure

A WinISD driver file that VituixCAD imports directly.

Download for VituixCAD

00 Simulator

Direct import · Web app

Start a new enclosure simulation with this driver already loaded.

Open in 00 Simulator

Copy spec sheet

Plain text · Clipboard

Copy the available values as a clean label-and-value list.

Dimensions & Physical

Diameter94.4mm

Overall Depth39.7mm

Similar Drivers

Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.

GRS 10S-8 4 inch 8 ohm loudspeaker driver similar-driver reference

Reference

GRS

10S-8

4"

Best current price

£7.39

Compare on

Matches sit inside every range. Size stays fixed automatically.

Q_ts

Q_es

V_as

L

X_max

mm

BL

Tm

5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.

9 matches

Compare a specific driver

Added drivers stay at the front of the list, whatever the ranges say.

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